wikipedia_id stringlengths 2 8 | wikipedia_title stringlengths 1 243 | url stringlengths 44 370 | contents stringlengths 53 2.22k | id int64 0 6.14M |
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6757458 | Die-Nasty | https://en.wikipedia.org/w/index.php?title=Die-Nasty | Die-Nasty
1997.
Every September, "Die-Nasty" hosts the annual Soap-A-Thon — currently a 50-hour marathon of continuous improv, which features many performers, technical crew and volunteers going the entire weekend without sleep. The first Soap-A-Thon was held in 1993, originally at 48-hours, and was the company's firs... | 43,900 |
6757458 | Die-Nasty | https://en.wikipedia.org/w/index.php?title=Die-Nasty | Die-Nasty
Soap-A-Thon to England, working with legendary British theatre artist Ken Campbell to produce a 36-hour-long soap opera in London. Several members of Campbell's company made the pilgrimage to Canada in the years 2006-2010 to take part in the original 53-hour-long event. Andersen paid further visits to London ... | 43,901 |
6757458 | Die-Nasty | https://en.wikipedia.org/w/index.php?title=Die-Nasty | Die-Nasty
the London Improvathon at Hoxton Hall, directed by Adam Meggido.
"Die-Nasty" has been honoured with a special Elizabeth Sterling Haynes Award for Excellence in Theatre, and has also been nominated for several Canadian Comedy Awards. Their nomination in 2006 won "Die-Nasty" the Canadian Comedy Award for best ... | 43,902 |
6757458 | Die-Nasty | https://en.wikipedia.org/w/index.php?title=Die-Nasty | Die-Nasty
12/13, 2016/17
- Cathleen Rootsaert 2010/11-2011/12, 2013/14-2015
- Dana Andersen 2001/02–2009/10, 2015/16
- Trevor Anderson 1996-2001
- Stewart Lemoine 1996-1998
- Ian Ferguson 1991-1996
# Musical Directors.
- The Amazing Paul Morgan Donald 1992–present
- Jan Randall 1991, recurring 2008–2014
# Tech... | 43,903 |
6757535 | Cell Loss Priority | https://en.wikipedia.org/w/index.php?title=Cell%20Loss%20Priority | Cell Loss Priority
Cell Loss Priority
Cell Loss Priority (CLP) is a flag bit in the ATM cell header that determines the probability of a cell being discarded if the network becomes congested. Cells where the CLP = 0 are "insured" traffic and unlikely to be dropped. Cells with CLP = 1 are "best-effort traffic", which m... | 43,904 |
6757017 | Space-based solar power | https://en.wikipedia.org/w/index.php?title=Space-based%20solar%20power | Space-based solar power
Space-based solar power
Space-based solar power (SBSP) is the concept of collecting solar power in outer space and distributing it to Earth. Potential advantages of collecting solar energy in space include a higher collection rate and a longer collection period due to the lack of a diffusing at... | 43,905 |
6757017 | Space-based solar power | https://en.wikipedia.org/w/index.php?title=Space-based%20solar%20power | Space-based solar power
rotation, but at great cost due to the expense of launching material into orbit. SBSP is considered a form of sustainable or green energy, renewable energy, and is occasionally considered among climate engineering proposals. It is attractive to those seeking large-scale solutions to anthropogeni... | 43,906 |
6757017 | Space-based solar power | https://en.wikipedia.org/w/index.php?title=Space-based%20solar%20power | Space-based solar power
material, or if radical new space launch technologies other than rocketry should become available in the future.
Besides the cost of implementing such a system, SBSP also introduces several technological hurdles, including the problem of transmitting energy from orbit to Earth's surface for use... | 43,907 |
6757017 | Space-based solar power | https://en.wikipedia.org/w/index.php?title=Space-based%20solar%20power | Space-based solar power
solar energy into electrical energy on board, powering a microwave transmitter or laser emitter, and transmit this energy to a collector (or microwave rectenna) on Earth's surface. Contrary to appearances of SBSP in popular novels and video games, most designs propose beam energy densities that ... | 43,908 |
6757017 | Space-based solar power | https://en.wikipedia.org/w/index.php?title=Space-based%20solar%20power | Space-based solar power
the space environment, including degradation from radiation and micrometeoroid damage, could also become a concern for SBSP.
SBSP is being actively pursued by Japan, China, and Russia. In 2008 Japan passed its Basic Space Law which established Space Solar Power as a national goal and JAXA has a... | 43,909 |
6757017 | Space-based solar power | https://en.wikipedia.org/w/index.php?title=Space-based%20solar%20power | Space-based solar power
known as satellite solar-power system (SSPS), was first described in November 1968. In 1973 Peter Glaser was granted U.S. patent number 3,781,647 for his method of transmitting power over long distances (e.g. from an SPS to Earth's surface) using microwaves from a very large antenna (up to one s... | 43,910 |
6757017 | Space-based solar power | https://en.wikipedia.org/w/index.php?title=Space-based%20solar%20power | Space-based solar power
of this scale in space – it showed enough promise to merit further investigation and research.
Between 1978 and 1986, the Congress authorized the Department of Energy (DoE) and NASA to jointly investigate the concept. They organized the Satellite Power System Concept Development and Evaluation ... | 43,911 |
6757017 | Space-based solar power | https://en.wikipedia.org/w/index.php?title=Space-based%20solar%20power | Space-based solar power
Antenna Facilities
- Student Participation
- Potential of Laser for SBSP Power Transmission
- International Agreements
- Centralization/Decentralization
- Mapping of Exclusion Areas For Rectenna Sites
- Economic and Demographic Issues Related to Deployment
- Some Questions and Answers
- ... | 43,912 |
6757017 | Space-based solar power | https://en.wikipedia.org/w/index.php?title=Space-based%20solar%20power | Space-based solar power
about the technical, economic, and environmental aspects of SPS to make a sound decision whether to proceed with its development and deployment. In addition, without further research an SPS demonstration or systems-engineering verification program would be a high-risk venture."
In 1997 NASA con... | 43,913 |
6757017 | Space-based solar power | https://en.wikipedia.org/w/index.php?title=Space-based%20solar%20power | Space-based solar power
solar power."
Conversely, Dr. Pete Worden of NASA claimed that space-based solar is about five orders of magnitude more expensive than solar power from the Arizona desert, with a major cost being the transportation of materials to orbit. Dr. Worden referred to possible solutions as speculative,... | 43,914 |
6757017 | Space-based solar power | https://en.wikipedia.org/w/index.php?title=Space-based%20solar%20power | Space-based solar power
term plans to build power satellites.
## Space Solar Power Exploratory Research and Technology program.
In 1999, NASA's Space Solar Power Exploratory Research and Technology program (SERT) was initiated for the following purposes:
- Perform design studies of selected flight demonstration conc... | 43,915 |
6757017 | Space-based solar power | https://en.wikipedia.org/w/index.php?title=Space-based%20solar%20power | Space-based solar power
roadmaps for critical Space Solar Power (SSP) elements.
SERT went about developing a solar power satellite (SPS) concept for a future gigawatt space power system, to provide electrical power by converting the Sun's energy and beaming it to Earth's surface, and provided a conceptual development ... | 43,916 |
6757017 | Space-based solar power | https://en.wikipedia.org/w/index.php?title=Space-based%20solar%20power | Space-based solar power
plants of all sizes being built.
- The environmental impact of those plants and their impact on world energy supplies and geopolitical relationships can be problematic.
- Renewable energy is a compelling approach, both philosophically and in engineering terms.
- Many renewable energy sources ... | 43,917 |
6757017 | Space-based solar power | https://en.wikipedia.org/w/index.php?title=Space-based%20solar%20power | Space-based solar power
infrastructure before the emplacement of productive power plants can begin.
- Space solar power systems appear to possess many significant environmental advantages when compared to alternative approaches.
- The economic viability of space solar power systems depends on many factors and the suc... | 43,918 |
6757017 | Space-based solar power | https://en.wikipedia.org/w/index.php?title=Space-based%20solar%20power | Space-based solar power
at the Glenn Research Center—An Overview. James E. Dudenhoefer and Patrick J. George, NASA Glenn Research Center, Cleveland, Ohio.
- Launch costs in the range of $100–$200 per kilogram of payload from low Earth orbit to Geosynchronous orbit are needed if SPS is to be economically viable.
## Ja... | 43,919 |
6757017 | Space-based solar power | https://en.wikipedia.org/w/index.php?title=Space-based%20solar%20power | Space-based solar power
Exploration Agency (JAXA)."
JAXA announced on 12 March 2015 that they wirelessly beamed 1.8 kilowatts 50 meters to a small receiver by converting electricity to microwaves and then back to electricity. This is the standard plan for this type of power. On 12 March 2015 Mitsubishi Heavy Industrie... | 43,920 |
6757017 | Space-based solar power | https://en.wikipedia.org/w/index.php?title=Space-based%20solar%20power | Space-based solar power
to the lack of obstructions such as atmospheric gasses, clouds, dust and other weather events. Consequently, the intensity in orbit is approximately 144% of the maximum attainable intensity on Earth's surface.
- A satellite could be illuminated over 99% of the time, and be in Earth's shadow a m... | 43,921 |
6757017 | Space-based solar power | https://en.wikipedia.org/w/index.php?title=Space-based%20solar%20power | Space-based solar power
could possibly direct power on demand to different surface locations based on geographical baseload or peak load power needs.
- Elimination of plant and wildlife interference.
- With very large scale implementations, especially at lower altitudes, it potentially can reduce incoming solar radia... | 43,922 |
6757017 | Space-based solar power | https://en.wikipedia.org/w/index.php?title=Space-based%20solar%20power | Space-based solar power
a beam of 0.002 degrees (7.2 arc seconds) is required to stay within a one kilometer receiving antenna target from geostationary altitude. The most advanced directional wireless power transfer systems as of 2019 spread their half power beam width across at least 0.9 arc degrees.
- Inaccessibili... | 43,923 |
6757017 | Space-based solar power | https://en.wikipedia.org/w/index.php?title=Space-based%20solar%20power | Space-based solar power
is hostile; panels suffer about 8 times the degradation they would on Earth (except at orbits that are protected by the magnetosphere).
- Space debris is a major hazard to large objects in space, and all large structures such as SBSP systems have been mentioned as potential sources of orbital d... | 43,924 |
6757017 | Space-based solar power | https://en.wikipedia.org/w/index.php?title=Space-based%20solar%20power | Space-based solar power
photons back to electrons.
- Waste heat disposal in space power systems is difficult to begin with, but becomes intractable when the entire spacecraft is designed to absorb as much solar radiation as possible. Traditional spacecraft thermal control systems such as radiative vanes may interfere ... | 43,925 |
6757017 | Space-based solar power | https://en.wikipedia.org/w/index.php?title=Space-based%20solar%20power | Space-based solar power
against gravity (other than relatively weak tidal stresses). It needs no protection from terrestrial wind or weather, but will have to cope with space hazards such as micrometeors and solar flares. Two basic methods of conversion have been studied: photovoltaic (PV) and solar dynamic (SD). Most ... | 43,926 |
6757017 | Space-based solar power | https://en.wikipedia.org/w/index.php?title=Space-based%20solar%20power | Space-based solar power
variety of frequencies.
## Microwave power transmission.
William C. Brown demonstrated in 1964, during Walter Cronkite's CBS News program, a microwave-powered model helicopter that received all the power it needed for flight from a microwave beam. Between 1969 and 1975, Bill Brown was technica... | 43,927 |
6757017 | Space-based solar power | https://en.wikipedia.org/w/index.php?title=Space-based%20solar%20power | Space-based solar power
Maui and the island of Hawaii (92 miles away), by a team under John C. Mankins.
Technological challenges in terms of array layout, single radiation element design, and overall efficiency, as well as the associated theoretical limits are presently a subject of research, as it was demonstrated by... | 43,928 |
6757017 | Space-based solar power | https://en.wikipedia.org/w/index.php?title=Space-based%20solar%20power | Space-based solar power
current methodologies and technologies for the design of antenna arrays for microwave power transmission appeared in the Proceedings of the IEEE
## Laser power beaming.
Laser power beaming was envisioned by some at NASA as a stepping stone to further industrialization of space. In the 1980s, r... | 43,929 |
6757017 | Space-based solar power | https://en.wikipedia.org/w/index.php?title=Space-based%20solar%20power | Space-based solar power
program was a two-year research effort, but the cost of taking the concept to operational status was too high, and the official project ended in 1993 before reaching a space-based demonstration.
In 1988 the use of an Earth-based laser to power an electric thruster for space propulsion was propo... | 43,930 |
6757017 | Space-based solar power | https://en.wikipedia.org/w/index.php?title=Space-based%20solar%20power | Space-based solar power
transmission is immediately available as soon as the first space power station is placed in orbit, LEO requires several satellites before they are producing nearly continuous power.
Power beaming from geostationary orbit by microwaves carries the difficulty that the required 'optical aperture' ... | 43,931 |
6757017 | Space-based solar power | https://en.wikipedia.org/w/index.php?title=Space-based%20solar%20power | Space-based solar power
possible to make a narrower beam by combining the beams of several smaller satellites. The large size of the transmitting and receiving antennas means that the minimum practical power level for an SPS will necessarily be high; small SPS systems will be possible, but uneconomic.
A collection of ... | 43,932 |
6757017 | Space-based solar power | https://en.wikipedia.org/w/index.php?title=Space-based%20solar%20power | Space-based solar power
efficiency is better, but its cost and complexity are also considerably greater. Rectennas would likely be several kilometers across.
## In space applications.
A laser SBSP could also power a base or vehicles on the surface of the Moon or Mars, saving on mass costs to land the power source. A ... | 43,933 |
6757017 | Space-based solar power | https://en.wikipedia.org/w/index.php?title=Space-based%20solar%20power | Space-based solar power
and the amount of material that would need to be launched.
Much of the material launched need not be delivered to its eventual orbit immediately, which raises the possibility that high efficiency (but slower) engines could move SPS material from LEO to GEO at an acceptable cost. Examples includ... | 43,934 |
6757017 | Space-based solar power | https://en.wikipedia.org/w/index.php?title=Space-based%20solar%20power | Space-based solar power
however, far from the state of the art for flown spacecraft, which as of 2015 was 150Wh/kg (6,7kg/kWh), and improving rapidly. Very lightweight designs could likely achieve 1 kg/kW, meaning 4,000 metric tons for the solar panels for the same 4 GW capacity station. Beyond the mass of the panels, ... | 43,935 |
6757017 | Space-based solar power | https://en.wikipedia.org/w/index.php?title=Space-based%20solar%20power | Space-based solar power
from CO2 emissions or storage of spent nuclear fuel, respectively).
# Building from space.
## From lunar materials launched in orbit.
Gerard O'Neill, noting the problem of high launch costs in the early 1970s, proposed building the SPS's in orbit with materials from the Moon. Launch costs fro... | 43,936 |
6757017 | Space-based solar power | https://en.wikipedia.org/w/index.php?title=Space-based%20solar%20power | Space-based solar power
by General Dynamics' Convair Division, under NASA contract NAS9-15560, concluded that use of lunar resources would be cheaper than Earth-based materials for a system of as few as thirty Solar Power Satellites of 10GW capacity each.
In 1980, when it became obvious NASA's launch cost estimates fo... | 43,937 |
6757017 | Space-based solar power | https://en.wikipedia.org/w/index.php?title=Space-based%20solar%20power | Space-based solar power
shallower gravitational well.
Having a relatively cheap per pound source of raw materials from space would lessen the concern for low mass designs and result in a different sort of SPS being built. The low cost per pound of lunar materials in O'Neill's vision would be supported by using lunar m... | 43,938 |
6757017 | Space-based solar power | https://en.wikipedia.org/w/index.php?title=Space-based%20solar%20power | Space-based solar power
on the Moon.
## On the Moon.
Physicist Dr David Criswell suggests the Moon is the optimum location for solar power stations, and promotes lunar-based solar power. The main advantage he envisions is construction largely from locally available lunar materials, using in-situ resource utilization,... | 43,939 |
6757017 | Space-based solar power | https://en.wikipedia.org/w/index.php?title=Space-based%20solar%20power | Space-based solar power
of lasers and microwave for the Luna Ring concept, along with power relay satellites.
## From an asteroid.
Asteroid mining has also been seriously considered. A NASA design study evaluated a 10,000 ton mining vehicle (to be assembled in orbit) that would return a 500,000 ton asteroid fragment ... | 43,940 |
6757017 | Space-based solar power | https://en.wikipedia.org/w/index.php?title=Space-based%20solar%20power | Space-based solar power
launch costs. However, the true merits of such a method would depend on a thorough mineral survey of the candidate asteroids; thus far, we have only estimates of their composition. One proposal is to capture the asteroid Apophis into earth orbit and convert it into 150 solar power satellites of ... | 43,941 |
6757017 | Space-based solar power | https://en.wikipedia.org/w/index.php?title=Space-based%20solar%20power | Space-based solar power
than 1/4 the solar irradiation constant), and an intensity of less than 1 mW/cm outside the rectenna fenceline (the receiver's perimeter). These compare with current United States Occupational Safety and Health Act (OSHA) workplace exposure limits for microwaves, which are 10 mW/cm, - the limit ... | 43,942 |
6757017 | Space-based solar power | https://en.wikipedia.org/w/index.php?title=Space-based%20solar%20power | Space-based solar power
energy will be absorbed and dispersed well within standards currently imposed upon microwave emissions around the world. It is important for system efficiency that as much of the microwave radiation as possible be focused on the rectenna. Outside the rectenna, microwave intensities rapidly decre... | 43,943 |
6757017 | Space-based solar power | https://en.wikipedia.org/w/index.php?title=Space-based%20solar%20power | Space-based solar power
can avoid exposure by observing airflight control spaces, as is currently done for military and other controlled airspace. The microwave beam intensity at ground level in the center of the beam would be designed and physically built into the system; simply, the transmitter would be too far away ... | 43,944 |
6757017 | Space-based solar power | https://en.wikipedia.org/w/index.php?title=Space-based%20solar%20power | Space-based solar power
but this presents serious problems, including corrosion, mechanical stresses, and biological contamination.
A commonly proposed approach to ensuring fail-safe beam targeting is to use a retrodirective phased array antenna/rectenna. A "pilot" microwave beam emitted from the center of the rectenn... | 43,945 |
6757017 | Space-based solar power | https://en.wikipedia.org/w/index.php?title=Space-based%20solar%20power | Space-based solar power
antenna is turned away from the rectenna, for example) the phase control value fails and the microwave power beam is automatically defocused. Such a system would be physically incapable of focusing its power beam anywhere that did not have a pilot beam transmitter. The long-term effects of beami... | 43,946 |
6757017 | Space-based solar power | https://en.wikipedia.org/w/index.php?title=Space-based%20solar%20power | Space-based solar power
the concept of a "solar power satellite" system with square miles of solar collectors in high geosynchronous orbit for collection and conversion of sun's energy into a microwave beam to transmit usable energy to large receiving antennas (rectennas) on Earth for distribution.
- 1973: Dr. Peter G... | 43,947 |
6757017 | Space-based solar power | https://en.wikipedia.org/w/index.php?title=Space-based%20solar%20power | Space-based solar power
studies.
- 1987: Stationary High Altitude Relay Platform a Canadian experiment
- 1995–97: NASA conducts a "Fresh Look" study of space solar power (SSP) concepts and technologies.
- 1998: The Space Solar Power Concept Definition Study (CDS) identifies credible, commercially viable SSP concepts... | 43,948 |
6757017 | Space-based solar power | https://en.wikipedia.org/w/index.php?title=Space-based%20solar%20power | Space-based solar power
integrated system of systems that requires numerous significant advances in current technology and capabilities. A technology roadmap has been developed that lays out potential paths for achieving all needed advances — albeit over several decades.
## In the 21st century.
- 2001: NASDA (One of ... | 43,949 |
6757017 | Space-based solar power | https://en.wikipedia.org/w/index.php?title=Space-based%20solar%20power | Space-based solar power
help the United States' ongoing relationship with the Middle East and the battle for oil. A demo plant could cost $10 billion, produce 10 megawatts, and become operational in 10 years.
- 2007: In May 2007 a workshop is held at the US Massachusetts Institute of Technology (MIT) to review the cur... | 43,950 |
6757017 | Space-based solar power | https://en.wikipedia.org/w/index.php?title=Space-based%20solar%20power | Space-based solar power
launched a joint forum to enhance partnership in harnessing solar energy through space-based solar collectors. Called the Kalam-NSS Initiative after the former Indian President Dr APJ Abdul Kalam, the forum will lay the groundwork for the space-based solar power program which could see other cou... | 43,951 |
6757017 | Space-based solar power | https://en.wikipedia.org/w/index.php?title=Space-based%20solar%20power | Space-based solar power
Kalam.
- 2015: The Space Solar Power Initiative (SSPI) is established between Caltech and Northrop Grumman Corporation. An estimated $17.5 million is to be provided over a three-year project for development of a space-based solar power system.
- 2015: JAXA announced on 12 March 2015 that they ... | 43,952 |
6757017 | Space-based solar power | https://en.wikipedia.org/w/index.php?title=Space-based%20solar%20power | Space-based solar power
power satellites that would beam energy back to Earth.
- 2016: A team with membership from the Naval Research Laboratory (NRL), Defense Advanced Projects Agency (DARPA), Air Force Air University, Joint Staff Logistics (J-4), Department of State, Makins Aerospace and Northrop Grumman won the Sec... | 43,953 |
6757017 | Space-based solar power | https://en.wikipedia.org/w/index.php?title=Space-based%20solar%20power | Space-based solar power
to Space-Based Energy"and Change.org "USA Must Lead the Transition to Space-Based Energy" along with the following video.
- 2016: Erik Larson and others from NOAA produce a paper "Global atmospheric response to emissions from a proposed reusable space launch system" The paper makes a case that ... | 43,954 |
6757017 | Space-based solar power | https://en.wikipedia.org/w/index.php?title=Space-based%20solar%20power | Space-based solar power
in space. The Colorado School of Mines focuses on "21st Century Trends in Space-Based Solar Power Generation and Storage."
# Non-typical configurations and architectural considerations.
The typical reference system-of-systems involves a significant number (several thousand multi-gigawatt syste... | 43,955 |
6757017 | Space-based solar power | https://en.wikipedia.org/w/index.php?title=Space-based%20solar%20power | Space-based solar power
losses in the atmosphere. Materials for the satellites are sourced from, and manufactured on Earth and expected to be transported to LEO via re-usable rocket launch, and transported between LEO and GEO via chemical or electrical propulsion. In summary, the architecture choices are:
- Location =... | 43,956 |
6757017 | Space-based solar power | https://en.wikipedia.org/w/index.php?title=Space-based%20solar%20power | Space-based solar power
time in occultation, and scalability to meet all global demand several times over, other locations have been proposed:
- Sun Earth L1: Robert Kennedy III, Ken Roy & David Fields have proposed a variant of the L1 sunshade called "Dyson Dots" where a multi-terawatt primary collector would beam en... | 43,957 |
6757017 | Space-based solar power | https://en.wikipedia.org/w/index.php?title=Space-based%20solar%20power | Space-based solar power
to manufacture the solar collectors in-situ without the energy cost and complexity of launch. Disadvantages include the much longer distance, requiring larger transmission systems, the required "overbuild" to deal with the lunar night, and the difficulty of sufficient manufacturing and pointing ... | 43,958 |
6757017 | Space-based solar power | https://en.wikipedia.org/w/index.php?title=Space-based%20solar%20power | Space-based solar power
satellites precess at a rate that allows them to always face the Sun as they rotate around Earth. This is an easy to access orbit requiring far less energy, and its proximity to Earth requires smaller (and therefore less massive) transmitting apertures. However disadvantages to this approach inc... | 43,959 |
6757017 | Space-based solar power | https://en.wikipedia.org/w/index.php?title=Space-based%20solar%20power | Space-based solar power
energy from an existing grid or power plant on one side of the planet can be passed up to orbit, across to another satellite and down to receivers.
Energy Collection: The most typical designs for Solar Power Satellites include photovoltaics. These may be planar (and usually passively cooled), c... | 43,960 |
6757017 | Space-based solar power | https://en.wikipedia.org/w/index.php?title=Space-based%20solar%20power | Space-based solar power
and radiation tolerance. One recent thermal solar power satellite design by Keith Henson and others has been visualized here.
- Solar Pumped Laser: Japan has pursued a solar-pumped laser, where sunlight directly excites the lasing medium used to create the coherent beam to Earth.
- Fusion Deca... | 43,961 |
6757017 | Space-based solar power | https://en.wikipedia.org/w/index.php?title=Space-based%20solar%20power | Space-based solar power
from the Sun but rather the charged particles in the solar wind which via electro-magnetic coupling generate a current in a large loop.
- Direct Mirrors: Early concepts for direct mirror re-direction of light to planet Earth suffered from the problem that rays coming from the sun are not parall... | 43,962 |
6757017 | Space-based solar power | https://en.wikipedia.org/w/index.php?title=Space-based%20solar%20power | Space-based solar power
structure may be gravity gradient stabilized. Alternative designs include:
- Swarms of Smaller Satellites: Some designs propose swarms of free-flying smaller satellites. This is the case with several laser designs, and appears to be the case with CALTECH's Flying Carpets. For RF designs, an eng... | 43,963 |
6757017 | Space-based solar power | https://en.wikipedia.org/w/index.php?title=Space-based%20solar%20power | Space-based solar power
for compressive members in large structures.
Transmission: The most typical design for energy transmission is via an RF antenna at below 10 GHz to a rectenna on the ground. Controversy exists between the benefits of Klystrons, Gyrotrons, Magnetrons and solid state. Alternate transmission approa... | 43,964 |
6757017 | Space-based solar power | https://en.wikipedia.org/w/index.php?title=Space-based%20solar%20power | Space-based solar power
also find alternate ways of coping with precipitation.
- Atmospheric Waveguide: Some have proposed it may be possible to use a short pulse laser to create an atmospheric waveguide through which concentrated microwaves could flow.
- Nuclear synthesis: Particle accelerators based in the inner so... | 43,965 |
6757017 | Space-based solar power | https://en.wikipedia.org/w/index.php?title=Space-based%20solar%20power | Space-based solar power
which such an approach would rely on has been in use for decades, making this possibly the most reliable means of sending energy especially over very long distances - in particular, from the inner solar system to the outer solar system.
Materials and Manufacturing: Typical designs make use of t... | 43,966 |
6757017 | Space-based solar power | https://en.wikipedia.org/w/index.php?title=Space-based%20solar%20power | Space-based solar power
far less complicated than from Earth. There is no atmosphere, and so components do not need to be packed tightly in an aeroshell and survive vibration, pressure and temperature loads. Launch may be via a magnetic mass driver and the requirement to use propellant for launch entirely. Launch from ... | 43,967 |
6757017 | Space-based solar power | https://en.wikipedia.org/w/index.php?title=Space-based%20solar%20power | Space-based solar power
manufacture of core elements based upon John Mankins SPS-Alpha design.
- Asteroidal Materials: Some asteroids are thought to have even lower Delta-V to recover materials than the Moon, and some particular materials of interest such as metals may be more concentrated or easier to access.
- In-S... | 43,968 |
6757017 | Space-based solar power | https://en.wikipedia.org/w/index.php?title=Space-based%20solar%20power | Space-based solar power
either chemical or electrical propulsion is used to carry them to GEO. The desired characteristics for this system is very high mass-flow at low total cost. Alternate concepts include:
- Lunar Chemical Launch: ULA has recently showcased a concept for a fully re-usable chemical lander XEUS to mo... | 43,969 |
6757017 | Space-based solar power | https://en.wikipedia.org/w/index.php?title=Space-based%20solar%20power | Space-based solar power
than a traditional mass driver.
- Space Elevator: A ribbon of pure carbon nanotubes extends from its center of gravity in Geostationary orbit, allowing climbers to climb up to GEO. Problems with this include the material challenge of creating a ribbon of such length with adequate strength, mana... | 43,970 |
6757017 | Space-based solar power | https://en.wikipedia.org/w/index.php?title=Space-based%20solar%20power | Space-based solar power
and speed with the bottom of the tether which is in a non-keplerian orbit (travelling much slower than typical orbital speed). The payload is transferred and it climbs the cable. The cable itself is kept from de-orbiting via electric propulsion and/or electromagnetic effects.
- MAGLEV Launch / ... | 43,971 |
6757017 | Space-based solar power | https://en.wikipedia.org/w/index.php?title=Space-based%20solar%20power | Space-based solar power
and directly heats the propellant not unlike in NERVA-style nuclear-thermal. LaserMotive has a concept for a laser-based approach.
# In fiction.
Space stations transmitting solar power have appeared in science-fiction works like Isaac Asimov's "Reason" (1941), that centers around the troubles ... | 43,972 |
6757017 | Space-based solar power | https://en.wikipedia.org/w/index.php?title=Space-based%20solar%20power | Space-based solar power
while terrorists with ties to oil producing nations attempt to derail these attempts through subterfuge and sabotage.
Various aerospace companies have also showcased imaginative future solar power satellites in their corporate vision videos, including Boeing, Lockheed Martin, and United Launch ... | 43,973 |
6757017 | Space-based solar power | https://en.wikipedia.org/w/index.php?title=Space-based%20solar%20power | Space-based solar power
documents and studies associated with space solar power, and major news articles.
# External links.
- ESA–Advanced concepts team, Space-based solar power
- William Maness on why alternative energy and power grids aren't good playmates and his plans for beaming solar power from space. in Seed... | 43,974 |
6757017 | Space-based solar power | https://en.wikipedia.org/w/index.php?title=Space-based%20solar%20power | Space-based solar power
a space-based solar array by 2040.
- Space Energy, Inc. - Space Energy, Inc.
- Whatever happened to solar power satellites? An article that covers the hurdles in the way of deploying a solar power satellite.
- Solar Power Satellite from Lunar and Asteroidal Materials Provides an overview of t... | 43,975 |
6757017 | Space-based solar power | https://en.wikipedia.org/w/index.php?title=Space-based%20solar%20power | Space-based solar power
past decades.
- "Conceptual Study of A Solar Power Satellite, SPS 2000" Makoto Nagatomo, Susumu Sasaki and Yoshihiro Naruo
- Researchers Beam 'Space' Solar Power in Hawaii (Wired Science)
- http://www.nss.org/settlement/ssp/library/index.htm — The National Space Society's Space Solar Power Li... | 43,976 |
6757017 | Space-based solar power | https://en.wikipedia.org/w/index.php?title=Space-based%20solar%20power | Space-based solar power
rvasio (, Italy). White Paper- History of SPS Developpements International Union of Radio Science 2007
- International SunSat design competition
- A simulation of AM reception from an aerial powering two inductive loads and recharging a battery.
# Videos.
- Powering the Planet 20-minute stre... | 43,977 |
6757545 | Mount Rae | https://en.wikipedia.org/w/index.php?title=Mount%20Rae | Mount Rae
Mount Rae
Mount Rae is a mountain located on the east side of Highway 40 between Elbow Pass and the Ptarmigan Cirque in the Canadian Rockies of Alberta. Mount Rae was named after John Rae, explorer of Northern Canada, in 1859.
Due to its relatively high summit and modest elevation gain from Highwood Pass, M... | 43,978 |
6757545 | Mount Rae | https://en.wikipedia.org/w/index.php?title=Mount%20Rae | Mount Rae
ood Pass, Mount Rae is a very popular scrambling objective. The scramble starts at the Highwood Pass parking lot on Highway 40 () and proceeds to the back of the Ptarmigan Cirque. Two options from this point are either ascending a steep snow field or climbing progressively steeper slabs to the col. Once on th... | 43,979 |
6757529 | Cycas bifida | https://en.wikipedia.org/w/index.php?title=Cycas%20bifida | Cycas bifida
Cycas bifida
Cycas bifida (syn. "Cycas rumphii" var. "bifida") is a species of cycad plant in the genus "Cycas", native to southern China (southern Guangxi and eastern Yunnan), and northern Vietnam (Cao Bằng, Lạng Sơn and Tuyên Quang provinces).
The stems are largely subterranean, 20–60 cm in diameter an... | 43,980 |
6757529 | Cycas bifida | https://en.wikipedia.org/w/index.php?title=Cycas%20bifida | Cycas bifida
8–12 cm long, with deep red-brown tomentose down, and 6-8 ovules on an ovate lamina, with yellow to yellow-brown sarcotesta. Ovoid and flattened sclerotesta. The male cones are solitary and erect, spindle shaped and cylindrical 15-23 long and 4–6 cm broad, with light yellow tomentose down and an erect apic... | 43,981 |
6757529 | Cycas bifida | https://en.wikipedia.org/w/index.php?title=Cycas%20bifida | Cycas bifida
species restricted by Hill to plants from central Vietnam and Laos.
"Cycas longipetiolula", which is often considered synonymous with "Cycas bifida" but may have hybridized with "Cycas multipinnata", is only found in cultivation in Jinping County, Yunnan.
# Habitat.
It is native to areas of dense bamboo... | 43,982 |
6757529 | Cycas bifida | https://en.wikipedia.org/w/index.php?title=Cycas%20bifida | Cycas bifida
ve hybridized with "Cycas multipinnata", is only found in cultivation in Jinping County, Yunnan.
# Habitat.
It is native to areas of dense bamboo woodlands or mixed deciduous forest near limestone outcroppings. Some of its native locations are on the site of various clashes over the border of Vietnam and... | 43,983 |
6757588 | Chief Logan State Park | https://en.wikipedia.org/w/index.php?title=Chief%20Logan%20State%20Park | Chief Logan State Park
Chief Logan State Park
Chief Logan State Park is located on about north of Logan in Logan County, West Virginia, United States. The park, the town and the county were all named after Chief Logan, a Mingo (or Ohio Iroquois) Native American leader who lived in the region before the American Revolu... | 43,984 |
6757588 | Chief Logan State Park | https://en.wikipedia.org/w/index.php?title=Chief%20Logan%20State%20Park | Chief Logan State Park
at the park during the summer of 2006. Tgis past year they built 3 cabins on site. There is also a fishing pond on site and a recreation center that has weights, exercise machines, courts and an Olympic sized indoor pool.
# Museum in the Park.
The Museum in the Park features changing art and hi... | 43,985 |
6757588 | Chief Logan State Park | https://en.wikipedia.org/w/index.php?title=Chief%20Logan%20State%20Park | Chief Logan State Park
hookup)
- Miniature golf
- Hiking trails (18 miles)
- 7 picnic pavilions
- Wildlife exhibit featuring animals native to West Virginia, including black bears, bobcats, barred owls, red-shouldered hawks, wild boar and native reptiles
- C & O Kanawha class steam locomotive #2755 (static display... | 43,986 |
6757588 | Chief Logan State Park | https://en.wikipedia.org/w/index.php?title=Chief%20Logan%20State%20Park | Chief Logan State Park
awha class steam locomotive #2755 (static display)
# Accessibility.
Accessibility for the disabled was assessed by West Virginia University. The assessment found Chief Logan State Park to be generally accessible. The 2005 evaluation found issues regarding access to some walkways and ramps. The ... | 43,987 |
6757571 | The American Dream (Mike Jones EP) | https://en.wikipedia.org/w/index.php?title=The%20American%20Dream%20(Mike%20Jones%20EP) | The American Dream (Mike Jones EP)
The American Dream (Mike Jones EP)
The American Dream is the name of an EP and DVD movie by Mike Jones. It was released through Ice Age Entertainment, Asylum Records and Warner Bros. Records on November 20, 2007. It was originally supposed to be released as an album but was down grad... | 43,988 |
6757571 | The American Dream (Mike Jones EP) | https://en.wikipedia.org/w/index.php?title=The%20American%20Dream%20(Mike%20Jones%20EP) | The American Dream (Mike Jones EP)
o be Salih Williams of Carnival Beats and Myke Diesel. Guests are Lil Wayne, Beyoncé, Keri Hilson, and Drake.
The EP successfully charted on multiple "Billboard" music charts, having been featured on the "Billboard" 200, peaking at number 183. It performed considerably better on the ... | 43,989 |
6757604 | Take Him Home | https://en.wikipedia.org/w/index.php?title=Take%20Him%20Home | Take Him Home
Take Him Home
Take Him Home was the Irish entry in the Eurovision Song Contest 1988, performed in English by Jump The Gun.
The song is a plea for global unity, with the singer exhorting his listeners that "So if you meet somebody, it might be someone I know/Brother, if he needs you, take him home". This... | 43,990 |
6757604 | Take Him Home | https://en.wikipedia.org/w/index.php?title=Take%20Him%20Home | Take Him Home
n Song Contest 1988, performed in English by Jump The Gun.
The song is a plea for global unity, with the singer exhorting his listeners that "So if you meet somebody, it might be someone I know/Brother, if he needs you, take him home". This is suggested to be a means of outreach to those less fortunate i... | 43,991 |
6757620 | Mark Perry | https://en.wikipedia.org/w/index.php?title=Mark%20Perry | Mark Perry
Mark Perry
Mark Perry may refer to:
# Sports.
- Mark Perry (amateur wrestler), college wrestler at University of Iowa, coach at University of Illinois
- Mark Perry (English footballer) (born 1978), former footballer with QPR
- Mark Perry (Scottish footballer) (born 1971), formerly with Dundee United and... | 43,992 |
6757620 | Mark Perry | https://en.wikipedia.org/w/index.php?title=Mark%20Perry | Mark Perry
Mark Perry (amateur wrestler), college wrestler at University of Iowa, coach at University of Illinois
- Mark Perry (English footballer) (born 1978), former footballer with QPR
- Mark Perry (Scottish footballer) (born 1971), formerly with Dundee United and Aberdeen
# Entertainment.
- Mark Perry (author) ... | 43,993 |
6757631 | Greatest Hits (MC Hammer album) | https://en.wikipedia.org/w/index.php?title=Greatest%20Hits%20(MC%20Hammer%20album) | Greatest Hits (MC Hammer album)
Greatest Hits (MC Hammer album)
Greatest Hits is a pop album from MC Hammer in 1996 which features his most successful singles from his first four albums. There are currently two versions/covers of his "Greatest Hits" album, the other titled "The Hits" in 2000.
# Track listing.
- 1. "... | 43,994 |
6757631 | Greatest Hits (MC Hammer album) | https://en.wikipedia.org/w/index.php?title=Greatest%20Hits%20(MC%20Hammer%20album) | Greatest Hits (MC Hammer album)
1996 which features his most successful singles from his first four albums. There are currently two versions/covers of his "Greatest Hits" album, the other titled "The Hits" in 2000.
# Track listing.
- 1. "U Can't Touch This" - 4:17
- 2. "Too Legit to Quit" (featuring Saja) - 5:36
- ... | 43,995 |
6757608 | Hetty King | https://en.wikipedia.org/w/index.php?title=Hetty%20King | Hetty King
Hetty King
Winifred Emms (4 April 1883 – 28 September 1972), best known by her stage name Hetty King, was an English entertainer who played in the music halls over a period of 70 years.
# Birth.
Emms was born in New Brighton, a seaside resort in Cheshire, and performed with her father on the beach in a co... | 43,996 |
6757608 | Hetty King | https://en.wikipedia.org/w/index.php?title=Hetty%20King | Hetty King
Society Gem". It was her first of many appearances at this theatre, part of the Broadhead circuit. By 1905, she was appearing in music halls, with her solo act, as a male impersonator, often dressed as a "swell". Her career spanned both World Wars when she performed in the uniform of either a soldier or a sa... | 43,997 |
6757608 | Hetty King | https://en.wikipedia.org/w/index.php?title=Hetty%20King | Hetty King
Ernest) (1876–1951), born in Sunderland. Her husband was a music hall comedian, singer and theatre proprietor, appearing as "Dan Roe" from 1898, who appeared in films in the 1920s and 1930s, often as the comic character PC Jimmy Josser. They divorced in 1917, decree nisi being granted on Friday 16 March by S... | 43,998 |
6757608 | Hetty King | https://en.wikipedia.org/w/index.php?title=Hetty%20King | Hetty King
sobriquet Nosmo King.
Hetty King was cremated at Golders Green Crematorium.
# Commemoration.
On 8 November 2010 a commemorative blue plaque was erected to King at her last residence in Wimbledon by the theatre charity The Music Hall Guild of Great Britain and America.
# Songs recorded.
- "All the nice G... | 43,999 |
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