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As product designer or developer you aren’t always going to have the time, resources, or testing framework in place to get a holistic view of exactly how your clients are using your product. Measuring UX with analytics is something you are going to want to get comfortable with. It won’t give you the depth that contextu... |
Jobs completed |
Think not of features, but about flows: how do people traverse your application in order to get their jobs done. No more tracking pages, now we can track funnels. How many people care completing tasks will give you clues about how many people get stuck in completing the tasks at hand and how many people use the certain... |
Time on task |
How much time does it take to get from A to B. Take the flows you’ve set up at the previous step and start timing users as they navigate through them. Don’t forget that there are tasks that are more important than others. Attention is a limited resource for both development and usage. Review over the tasks, and the use... |
Customer satisfaction |
Prompt your users with a simple “satisfied”/”not satisfied” type questions to see if the interactions are creating delight or frustration. For example, Basecamp is is using a simple emoji like feedback for their customer support so they can get an idea at a glance how their users are doing. This will not tell you why c... |
There is a saying: what gets measured gets done. We can’t measure every single human behavior with regards to how they use our products (yet). But what we can measure, we can generally improve. |
University of Florida |
Establishing a New Lawn |
If you're starting from scratch, there are basically two ways to establish a new lawn: with seeds, or with existing grass (in the form of plugs or sod). While starting with seed is significantly less expensive, it can also be more difficult (especially if you're the impatient type). Laying sod, large "sheets" of grass,... |
UF/IFAS Publications |
Also on Gardening in a Minute |
Other Sites |
The HP 2700n seems to have been engineered, rather than designed. The toner system includes a clever latching mechanism which reveals the fragile light-sensitive drums as you close the cover, protecting them while it's open. From the outside, however, the HP 2700n isn't quite so appealing. Its large breadbin case has a... |
Installation went smoothly and the HP 2700n was up-and-running in five minutes. HP's drivers tend to be fussy and riddled with adware but, while the HP 2700n does suggest you register, the only thing it tries to sell you is consumables within the main driver page. |
The main software is HP's ToolboxFX, which includes status information, network details, and a rough estimate of the remaining toner. The networking and remote status tools make remote operation practical, which almost compensates for the HP 2700n's size - with ethernet it becomes easier to hide away a hefty printer in... |
Please only use the TensorFlow name and marks when accurately referencing this software distribution, and do not use our marks in a way that suggests you are endorsed by or otherwise affiliated with Google. When referring to our marks, please include the following attribution statement: "TensorFlow, the TensorFlow logo... |
ugly mammals |
Tree rats suffer from a lack of recognition by scientists, so not much is known about their biology Getty |
Mammalian species that are considered "ugly" or non-charismatic are being overlooked by research, scientists say. Little interest, recognition and, on a more practical level, funding is being directed towards animals such as the fruit bats or the tree rats. |
Published in the Mammal Review, the study is actually a review of different publications regarding 331 Australian terrestrial mammals. The researchers divided them into three categories, according to different factors. |
The "good" category included well-known marsupial native species such as koalas or kangaroos. The "bad" category was so-called because it regrouped invasive species such as rabbits or foxes. Finally, the "ugly" category referred to bats and rodents, which made up 45% of the 331 species. |
good mammals |
A lot of research has been dedicated to kangaroos, one of Australia's best-known mammal Reuters |
Studies for conservation efforts |
The researchers show that studies dealing with "good" mammals revolved mostly around their anatomy and their physiology, while the"bad" mammals were often the object of ecological research or of scientific efforts to introduce sustainable population control. The "ugly" however attracted little scientific interest. |
"We know so little about the biology of many of these species. For many, we have catalogued their existence through genetics or taxonomic studies, but when it comes to understanding what they eat, their habitat needs, or how we could improve their chances of survival, we are very much still in the dark," says lead auth... |
Vulnerable to extinction |
ugly mammals |
Fruit bats, like this grey-headed flying fox, are considered to be 'ugly' mamals Reuters |
The problem is that many of these species are at risk of extinction. The grey-headed flying fox, one of Australia's best-known fruit bats is for instance listed as "vulnerable" on the IUCN red list of threatened species. |
Though rats and bats are "non-charismatic", they are thus very much in need of research, so that scientists can get the tools they need to help the animals survive. And even though they might be "ugly", they play an important role within the Australian fauna and flora. |
"These smaller animals make up an important part of functioning ecosystems, a role that needs greater recognition through funding and research effort", concludes Patricia Fleming. |
The first week back in Canada was complicated: |
1. The weather was particularly bad, with two snowdays in one week. I agonized over meeting with my supervisor after 6 months away. Then 2 hours before the meeting the university was closed because of the snowstorm. The meeting was thus postponed to the following week, which gave me another 5 days to agonize over it. |
2. My winter clothes were in a box in a garage in a lovely house outside of Hampton outside of Oshawa outside of Toronto. In my obsession with planning and organizing, I had neglected to make arrangements with my lovely friend who so had been so kind to store my stuff. It turned out that the week I arrived, she was in ... |
3. Because of the acne medication, my skin reacted very badly to the weather, and to the new boots I bought because of item 2. I bought tons of skin lotions, but instead of soothing my skin, they seem to flare it up some more. In the meantime, friends complimented me on my “tan.” Eventually I just got tired of explaini... |
4. When my friend came back, I went to see her, and took the oportunity to go to her garage and filter through my boxes, selecting items that I needed most. I couldn’t carry them all back with me to Toronto, but at least I got the most urgent items first (including my old boots, since my feet were killing me), and pack... |
5. When the opportunity came for my friend to drive to town with the extra-heavy suitcases I had packed (she usually takes the GO train, which is faster, cheaper and more practical), a heavy snowstorm made her turn around after four hours in the highway. So my suitcases monopolized the trunk of her car for a few more d... |
6. In the middle of all this, while I was still recovering from the sinus, there was a minor flood in the house where I’m staying, which caused me to be even more embarrassed. As I tried to explain to my friend afterwards, when everything was back under control but I still could not stop apologizing and feeling terribl... |
People are important, not things. And it was at this point that I took the deliberate decision of stop worrying so much about things that are not under my control (see items 1-6). Part of the difficulty was that my skin was irritated and that made me irritated. So I just stopped taking the acne medication, and that has... |
As Bob McFerrin would say: |
“In every life there’s some trouble. |
When you worry you make it double. |
So don’t worry, be happy” |
Now, that’s some advice! |
One response to “Irritations |
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A journey through life and musical legacy of Johnny Cash. |
Combining personal and intimate interpretations of Cash's songs and excerpts of his autobiography, German musician and actor Bastian Semm takes his audience from the early years on the cotton fields of Arkansas to the late works of an American icon. |
A guitar, words and songs - that's all it takes to get close to the soul of the "Man in Black" and feel the heart of the singer of songs. |
© CASH - a singer of songs |
by Bastian Semm |
Excerpts from "CASH - Die Autobiografie" with kind permission of |
HarperCollins Publishers, New York, Agence Hoffman, München and EDEL , Hamburg. |
Thursday, July 2, 2015 |
Multiple Responses: |
In physics, a spectrometer is an apparatus to measure a spectrum. Generally, a spectrum is a graph that shows intensity as a function of wavelength, of frequency, of energy, of momentum, or of mass. |
A spectrometer is an tool commonly used by astronomers which splits the light collected by a telescope into its colors. This allows astronomers see the details in the light from space. Astronomers know how to get a lot of special information about a space object by studying its light. By using spectrometers, we can fin... |
Over the past 20 years, miniature fiber optic spectrometers have evolved from a novelty to the spectrometer of choice for many modern spectroscopists. People are realizing the advanced utility and flexibility provided by their small size and compatibility with a plethora of sampling accessories. |
The basic function of a spectrometer is to take in light, break it into its spectral components, digitize the signal as a function of wavelength, and read it out and display it through a computer. The first step in this process is to direct light through a fiber optic cable into the spectrometer through a narrow apertu... |
Once the light is imaged onto the detector the photons are then converted into electrons which are digitized and read out through a USB (or serial port) to a computer. The software then interpolates the signal based on the number of pixels in the detector and the linear dispersion of the diffraction grating to create a... |
In the following sections we will explain the inner-workings of a spectrometer and how all of the components work together to achieve a desired outcome, so that no matter what your application is, you’ll know what to look for. We’ll first discuss each component individually so that you have a full understanding of thei... |
EM radiation, including light, is a spectrum of different wavelengths. Spectroscopy is the detailed analysis of a light signal by wavelength. Ordinary color images break up light into 3 channels (red, green, and blue), but spectroscopy is generally concerned with breaking up light into a higher number of bands (e.g. 10... |
The basic principle of spectrometry is simple, various methods (the most ordinary being the use of a prism) can be used to cause the different wavelengths of light to follow different paths, which can be used in combination with a monochromatic imaging sensor to record the spectrum. Alternately, multiple images of the ... |
Spectrometry has multiple uses: |
Ions of different elements have different emission spectra due to the differences in electron energy levels. This makes it possible to determine the elemental composition of objects that are significantly ionized such as stars (which are composed of high temperature plasma). Additionally, at lower temperatures molecule... |
The large scale structure of a light spectrum will be dominated by the characteristics of the black body spectrum, making it possible to determine an object's temperature. |
As mentioned above the composition of an object will result in a very characteristic spectrum. However, this spectrum will be shifted a certain amount one way or another depending on whether the object is moving away or towards us, due to doppler shifting. This makes it possible to measure the relative velocity of an o... |
Since spectroscopy splits up a light signal into many tiny buckets it's very helpful to have as much light to work with as possible, which is why most of the largest telescopes in the world (such as the Keck or VLT telescopes) spend a lot of their time collecting spectra and have very sophisticated spectrometers. |
The invention of CCDs and other electronic imagers has been a gigantic boon to spectrometry, since such devices have very high quantum efficiency (meaning the vast majority of photons from the source light are converted into usable signals) and can have fairly flat spectral response curves. Most importantly, they are a... |
One of the most interesting advances in modern spectroscopy is the increasing predominance of "imaging spectrometers" in interplanetary spacecraft and observatories. Instead of merely collecting multiple color channel data for each pixel in an image these instruments collect entire spectra for every pixel. This dramati... |
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The Age of Strife |
Our heroes make a new friend, & kill a dragon |
Skip forward in time and our group of intrepid adventurers find themselves in a life and death struggle with a young Black Dragon, intent on reneging on a deal to pay off the party and reclaim a magical artefact trapped in a great shard of Ember within the mine. |
Brief skip back in time: the group has been sent to the mine to discover why it had ceased sending shipments of Ember to the dwarven citadel. The reason as it turns out was a horde of Kobolds, in the service of a Black Dragon, who our heroes interrupted (i.e. killed all of them) in their mining efforts. The Dragon show... |
As we join the action the dragon has certainly taken its fair share of punishment, but has rather unsportingly enshrouded itself in a great cloud of darkness and is proving a tad tricky to hit. Particularly for Ultan who has spent the whole encounter flailing about ineffectually in the darkness, being, quite frankly, m... |
As combat continues Grax dances in and out of proximity with the fell beast, lashing out with dark tendrils that strike into the cloud to be greeted by roars of pain from the dragon. Bosmath, now a cloud of angry bees, sends swarms of maddening locusts flooding toward the dragon, distracting it further and allowing our... |
The dragon, meanwhile, is not taking kindly to being clawed, hacked, stung, shrouded and shouted at, and is venting its rage on our heroes with claw, tail and acid. |
The Trial of Drag Durrach |
Transcript from the trial of Drag Durrach, betrayer, necromancer, warlock. |
The guilty party was removed from his restraints and refused to speak. |
The council deliberated and came to a guilty verdict. |
The Guilty party was removed from the chamber and executed by fire. |
Under the Mountain. |
The party arrive at the portal, and are greeted by a delegation of dwarves. The dwarves remember well the Guild and are eager to hear and see the new guild heroes and master. [Grax has now assumed the form of a dwarf] |
Ultan finds himself in deep discussions with a dwarven runesmith of some power, though her abilities lie in mastering existing Runes, and she becomes a little star struck when she realises that Ultan is a “Seeker” – one who searches for lost and previously undiscovered runes. |
They quickly realise that they are in a huge citadel, that is contained within a mountain. The dwarves of older times sought to trade and meet with the humans of the land, but they knew the humans would not like confines of the underground kingdoms, but the dwarves themselves would be uncomfortable outside, so they hol... |
The group don’t have to wait too long before the airship is to arive, and they are ushered up a number of lifts to a huge landing site at the top of the mountain. There is an impressive view of the whole area, and they realise that they travelled in seconds what would have taken months overland. The impressive airship ... |
Making friends and influencing people |
The party have been through a lot since we last laid pen to parchment: |
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