orgrctera/beir_cqadupstack_physics_test · Datasets at Hugging Face

id stringlengths 36 36	input stringlengths 15 149	expected_output stringlengths 25 2.11k	metadata.query_id stringlengths 1 6	metadata.split stringclasses 1 value
4aaa31d9-a130-419e-b6f3-4c33d5fa8f43	What is the conclusion from Aharonov-Bohm Effect?	[{"id": "130186", "score": 1}]	99505	test
134dcd8f-e1b8-47c0-8b7c-50f70bf81e94	Should we necessarily express the dimensions of a physical quantity within square brackets?	[{"id": "77690", "score": 1}, {"id": "38670", "score": 1}]	73162	test
d334a188-2db3-4b9b-9a95-618efc63b16c	Trapping a lightray	[{"id": "63211", "score": 1}, {"id": "17844", "score": 1}, {"id": "12417", "score": 1}]	8347	test
c60c90df-0164-4375-8cb2-9cced847ed3f	Maximum helicopter height	[{"id": "29094", "score": 1}]	119935	test
fc0f5cc3-561e-4758-98d9-fb31ef6649c2	Why didn't a black hole form right after the Big Bang?	[{"id": "3294", "score": 1}]	66527	test
3b476f25-25e8-4050-8978-2f788f9db846	If the source of sound is vibration, why can't we "hear" a object whose molecules are vibrating?	[{"id": "126839", "score": 1}]	79685	test
1aeacfa1-7d51-4f7a-911d-bc1e955520a5	Direction of Magnetic force from a current running through a coil of wire	[{"id": "104094", "score": 1}]	7633	test
72642ef4-2348-43dd-b6a8-ff931b81a50a	Why does photon have only two possible eigenvalues of helicity?	[{"id": "104294", "score": 1}, {"id": "46643", "score": 1}]	29766	test
cef83905-f5f4-46fd-b8b1-079160b053e5	Schrodinger's cat experiment	[{"id": "67358", "score": 1}]	55719	test
94ee4c9f-fa30-4790-a3a3-02d4653cb2a8	Is it possible for one black hole to pull an object out of another black hole?	[{"id": "109491", "score": 1}]	39253	test
518f4b86-3b85-435e-ba1e-f8afee2c108b	Can I measure a journey time < 100 years on a 100 light year voyage?	[{"id": "109776", "score": 1}, {"id": "127402", "score": 1}, {"id": "122275", "score": 1}]	111546	test
ab2e1e14-fdfc-48c0-a952-7bb7e1cf0f40	Physics breakthroughs in the last two decades	[{"id": "4669", "score": 1}]	10130	test
871f89a5-706d-41e8-9608-1fc43c6abb36	Why, when one opens 1 car window, does that noise occur?	[{"id": "31256", "score": 1}]	28781	test
3615b096-8f73-4107-a6b2-4d8196ae7fd9	Buzzing/Vibration in body under power lines	[{"id": "29016", "score": 1}]	79136	test
528bba43-b77f-4dbe-aefa-6a582e9c10e8	Atmospheric pressure experiment using a cup with a fluid to hold a glass plate	[{"id": "114330", "score": 1}]	66658	test
568b7bc0-e46a-4593-9156-5a4e8f1fe18f	Is it possible for a planet to be made entirely of water (even it's core)?	[{"id": "26682", "score": 1}, {"id": "61016", "score": 1}]	71589	test
d26121f1-9f77-47e3-bc1a-ec8feddf0f6d	Travel duration from Earth to a star at 9.8 m/s² acceleration	[{"id": "75391", "score": 1}]	75002	test
877aad3a-56a3-44af-b502-b7a126e86732	Renormalization of diagrams in QFT	[{"id": "12385", "score": 1}, {"id": "52719", "score": 1}]	123210	test
7f7325ed-c108-4571-8d93-a530de3786e7	Pressure of sealed in liquid nitrogen	[{"id": "29517", "score": 1}]	29523	test
b9c81453-f9ff-442a-9fa4-4a1aef7c1172	Inertial frames of reference	[{"id": "69303", "score": 1}]	16885	test
b887a8e7-d4db-44e3-949f-8eb1554aca17	Why does the air flow faster over the top of an airfoil?	[{"id": "102789", "score": 1}]	13030	test
0c700cdb-2303-4fb6-aba8-44b4993339ac	A thought experiment with Heisenberg's Uncertainty Principle	[{"id": "34113", "score": 1}]	46824	test
21a3a90b-5606-4574-93fc-30ade02e1da7	How can you calculate how fast a spinning ring/cylinder will accelerate a mass via gravitomagnetism?	[{"id": "134372", "score": 1}]	133707	test
71eb6e5c-67a7-42a5-80a7-800a510d4ab0	Are there formulae for calculating stellar luminosity and effective temperature as a function of age?	[{"id": "25896", "score": 1}]	12589	test
ef1f0df3-49c2-44df-a3c1-1040d4d3b8e8	The speed of light as it approaches a massive body	[{"id": "106425", "score": 1}, {"id": "24319", "score": 1}]	98980	test
227a224c-0446-499c-8927-6cfb843d3f17	Uniqueness of eigenvector representation in a complete set of compatible observables	[{"id": "17850", "score": 1}]	27326	test
d6a91680-b3f7-49e9-924b-6ac51ac2943d	How do stars look like from space?	[{"id": "3327", "score": 1}]	49837	test
783e7c0b-a35a-473c-9070-01db6bb29167	Why isn't Higgs coupling considered a fifth fundamental force?	[{"id": "133713", "score": 1}, {"id": "67285", "score": 1}, {"id": "132721", "score": 1}]	1080	test
2e6ede1c-b91b-46d0-a52b-61681901cc9a	Relating Quantum Mechanics to Classic Electromagnetism	[{"id": "133033", "score": 1}]	133703	test
52cd1652-dc43-487c-b003-97291388e23f	Why would an electron in an orbit be accelerating continuously and would thus radiate away its energy and fall into the nucleus in a classical model?	[{"id": "30772", "score": 1}]	91797	test
42a9007f-6866-4933-996e-23165d83bb10	Transportation using disintegration	[{"id": "77760", "score": 1}]	99338	test
ab7e0120-9c0f-455c-bd71-59081d6c8652	Two particles interacting by a inverse-square-law force, find their positions in function of time	[{"id": "28519", "score": 1}, {"id": "30153", "score": 1}]	28527	test
54fa2f25-f86e-4950-a12c-5fc9dbbea387	How can we deduce the relation $m = \frac{m_0}{\sqrt{1-\frac{v^2}{c^2}}}$ between relativistic mass and rest mass in special relativity?	[{"id": "34008", "score": 1}, {"id": "45320", "score": 1}]	71772	test
875b24fb-c6c3-4308-8811-74a7e9d9bd59	Derivation of the Biot-Savart Law	[{"id": "67445", "score": 1}]	64751	test
8a205b24-5f53-47d0-868f-c042b4f55542	Energy can't be created or destoryed?	[{"id": "10309", "score": 1}, {"id": "33404", "score": 1}, {"id": "107013", "score": 1}, {"id": "77775", "score": 1}]	41386	test
deaaac72-f1d1-4e2f-84a5-52197bc72ef4	What keeps objects made of gold apart?	[{"id": "87107", "score": 1}]	120107	test
a8205b4e-cb76-4b22-88fc-571ee3ae176e	The interaction picture doesn't exist?	[{"id": "3983", "score": 1}]	69281	test
d69f291a-c573-4657-93b5-a2b35e67df15	Magnetic field lines	[{"id": "114544", "score": 1}, {"id": "75166", "score": 1}]	38561	test
62c3649f-4456-4df0-a9f6-a85bf71ef2d7	Is one way glass possible?	[{"id": "102859", "score": 1}, {"id": "57543", "score": 1}]	19043	test
07dec967-c314-4409-850d-66d9449a4bdb	Books for Condensed Matter Physics	[{"id": "103712", "score": 1}, {"id": "54675", "score": 1}, {"id": "43137", "score": 1}]	22046	test
52c6ade1-de0e-4b80-a3f0-1b6452a046e3	Does string theory provide quantitative experimental predictions?	[{"id": "15", "score": 1}, {"id": "30267", "score": 1}, {"id": "34015", "score": 1}]	5057	test
f81ead7d-c462-4eb7-8bf6-c0637dd524a6	Is it possible to blur an image in such way that a person with sight problems could see it sharp?	[{"id": "46724", "score": 1}]	661	test
1afd19a8-97f5-47f1-9fb6-b6a2b38c2a62	The Higgs field a new Luminiferous aether?	[{"id": "128558", "score": 1}, {"id": "24192", "score": 1}]	11527	test
0e1dcc30-d720-425b-a456-87ebfbe3f700	Reflection At Speed of Light	[{"id": "52659", "score": 1}]	13917	test
8367ffb4-71cd-48da-ad9d-cc4a73483e0b	Self-contained book about complex systems and nonlinear dynamics	[{"id": "39712", "score": 1}]	89335	test
f8ab32f0-972c-4934-a1ef-2ee43d5e0916	How can momentum but not energy be conserved in an inelastic collision?	[{"id": "106712", "score": 1}]	92051	test
63b5741b-2ee7-4fad-b348-aa69000f3cdd	How do you prove $S=-\sum p\ln p$?	[{"id": "44647", "score": 1}]	14436	test
570ed963-3f73-40c3-a83d-7748add406f7	Why don't we see solar and lunar eclipses often?	[{"id": "26728", "score": 1}, {"id": "62361", "score": 1}]	24588	test
6a8ac7bf-74b9-462e-84ce-8e8f6598df6c	What happens to things when things get crushed in a blackhole	[{"id": "26704", "score": 1}]	62711	test
d6840086-cf1d-454b-92ed-79f3a278056c	Infinities in Newtons law of gravity (for point particles)	[{"id": "126675", "score": 1}]	113660	test
7888cb19-3471-4985-a69d-b39b3d04af0f	Do black holes exist?	[{"id": "102202", "score": 1}]	103670	test
faaa5821-9341-40af-b884-0b45b91d09cf	Intrinsic structure of electron	[{"id": "64623", "score": 1}, {"id": "122602", "score": 1}, {"id": "24001", "score": 1}, {"id": "119732", "score": 1}, {"id": "68717", "score": 1}, {"id": "129730", "score": 1}]	30134	test
5a95ceb5-71f1-4ad6-9aca-a942c93d5379	The secret behind the spinning, asymmetrically weighted, 2D disk-shaped top?	[{"id": "109703", "score": 1}]	68223	test
6344d69d-cc52-4272-ada3-2b71728d0241	Dark Energy saving the world	[{"id": "2006", "score": 1}]	43919	test
9cacf26b-8f96-42ee-aa50-64e974378a84	Why do the planets' orbital distances fall on an exponential curve?	[{"id": "135369", "score": 1}]	18793	test
65180738-ac52-4e9e-8016-08a36b2a3844	How does a half-life work?	[{"id": "14232", "score": 1}]	102222	test
1c00f830-3ad5-46f6-bcba-7d8ac9cb0e53	Derivation of formula of potential energy by a conservative force	[{"id": "16339", "score": 1}]	133714	test
0cecb229-7ea8-424f-a740-869c88600f01	Why do people still talk about bohmian mechanics/hidden variables	[{"id": "8817", "score": 1}]	7112	test
778d9e19-682a-444b-90af-cfa7a8c060d1	Elastic potential energy of compressed spring?	[{"id": "72723", "score": 1}, {"id": "76267", "score": 1}]	75715	test
6918974a-081a-4284-a537-e6c4b983f6b2	Why can't some light ever reach earth?	[{"id": "67412", "score": 1}]	68198	test
4b8d576c-58fd-4da4-859e-9839d71d7763	Black holes and positive/negative-energy particles	[{"id": "106882", "score": 1}, {"id": "97889", "score": 1}, {"id": "111052", "score": 1}, {"id": "110026", "score": 1}]	30597	test
1368c3e5-fd55-4184-9a45-d83ba5cc1b5e	Special Relativity, 2nd Postulate -- Why?	[{"id": "34024", "score": 1}, {"id": "112038", "score": 1}]	134356	test
824f9b57-7fac-47bb-be52-7d8467885b29	Some basic questions about electric field & nucleus	[{"id": "9661", "score": 1}, {"id": "29641", "score": 1}]	61845	test
d7fe61aa-b41c-4fbb-9bfd-d03eb80baba0	Experimental study of the Photoelectric effect	[{"id": "35939", "score": 1}]	68234	test
1d6ece82-724f-4854-b256-c66553f877b1	Why is the Lagrangian quadratic in $\dot{q}$?	[{"id": "23098", "score": 1}, {"id": "93902", "score": 1}, {"id": "102767", "score": 1}]	55458	test
20f2e4f6-674a-4e8e-aef6-ce8921b6d77f	Finding charge (electromagnetism course)	[{"id": "52937", "score": 1}]	100197	test
99349f51-6688-4839-b1aa-c5bb3d3d482b	Why does it seem like a broken magnet's poles flip?	[{"id": "20761", "score": 1}, {"id": "105603", "score": 1}, {"id": "131102", "score": 1}]	16708	test
11e782e5-21e4-44d5-9cf2-773739198ee6	How does the sum of the series “1 + 2 + 3 + 4 + 5 + 6…” to infinity = “-1/12”?	[{"id": "66371", "score": 1}, {"id": "110411", "score": 1}, {"id": "95489", "score": 1}]	92739	test
da698ea5-b411-48ba-bb66-18afc49e82bf	Calculating position in space assuming general relativity	[{"id": "13958", "score": 1}]	10870	test
9773d2df-e873-4464-ad61-eec35f7e8d30	Does kinetic friction increase as speed increases?	[{"id": "2408", "score": 1}]	48534	test
d710b131-5883-4884-8bfe-0a9d28856098	Electricity directly from heating a material	[{"id": "17756", "score": 1}]	68233	test
fc49a8e8-ed84-44e7-b75a-e8d8ba5e9a30	Why do they store gold bars with the narrow side down?	[{"id": "55042", "score": 1}, {"id": "39512", "score": 1}]	9045	test
cc117e86-a8bc-4dbe-8c3b-68a71b81664a	Is it wasteful to use a heating element, instead of doing useful work?	[{"id": "98361", "score": 1}, {"id": "88780", "score": 1}, {"id": "120172", "score": 1}]	93130	test
118e4a5d-7195-4fe6-83b6-8afa71099473	Simulator for electrostatics	[{"id": "126814", "score": 1}]	30909	test
83d05b25-31ad-4aa5-b7d0-034ac602046b	conversion of information to energy	[{"id": "843", "score": 1}]	1051	test
84f2e1a1-19b4-41ce-9337-64f0821c3e0a	What is the nature of energy?	[{"id": "3014", "score": 1}, {"id": "112439", "score": 1}]	98516	test
52787408-dc4d-4300-b0d7-07f69dbfd56f	Strongest force in nature	[{"id": "38550", "score": 1}, {"id": "4243", "score": 1}, {"id": "128217", "score": 1}]	8420	test
b6819e4b-d62d-466a-99da-2ff8cb2bf702	Diffraction by a lens	[{"id": "109088", "score": 1}]	91286	test
5e9e52b6-7141-4274-99c3-13e7fb0b960c	How occurs the enantiomorph of the mirror?	[{"id": "8227", "score": 1}, {"id": "93964", "score": 1}]	70439	test
bafe6432-5730-4285-beb6-051842a0a226	As the earth rotates around itself, does this have any effect on the dynamics of flights?	[{"id": "1193", "score": 1}, {"id": "16390", "score": 1}, {"id": "112349", "score": 1}, {"id": "58154", "score": 1}, {"id": "112653", "score": 1}, {"id": "133996", "score": 1}, {"id": "80090", "score": 1}, {"id": "48287", "score": 1}, {"id": "44669", "score": 1}, {"id": "54278", "score": 1}, {"id": "100564", "score": 1}]	78095	test
d8e7e78b-06af-49d5-b5b7-3d88c91fbe26	Are we inside a black hole?	[{"id": "111814", "score": 1}]	23118	test
0a564193-be24-4290-8d69-0972e87599ed	Hydrostatic pressure at the center of a water planet	[{"id": "110246", "score": 1}]	111696	test
51c2874f-7e50-4db6-bda0-5bc3a27732a5	Sign convention for mirror and lens formulas	[{"id": "129034", "score": 1}]	113523	test
0173b663-1093-4c18-84d1-f4dca1c4234e	Why earth looks always flat when it is round	[{"id": "26427", "score": 1}, {"id": "73962", "score": 1}]	106543	test
07fd5d29-8668-438f-af04-ead614636d52	Why doesn't the Moon fall upon Earth?	[{"id": "134915", "score": 1}]	9049	test
3d32315a-d263-4bed-a885-11d343b41c91	What exactly is the 'observer' in physics and/or quantum mechanics?	[{"id": "9857", "score": 1}, {"id": "51374", "score": 1}, {"id": "128335", "score": 1}, {"id": "111307", "score": 1}]	18602	test
193858d2-ccc4-45b9-bf98-af1765ffab3e	What exactly is a quantum of light?	[{"id": "62588", "score": 1}]	18563	test
b565a229-07fd-437e-ba00-9a0180d893d8	Why don't electric workers get electrocuted when only touching one wire?	[{"id": "41770", "score": 1}, {"id": "62996", "score": 1}, {"id": "80679", "score": 1}]	63987	test
bd94e2cf-a410-41ee-915d-6cf47e51844d	Proving that interval preserving transformations are linear	[{"id": "132499", "score": 1}]	12664	test
34317432-8709-4a89-947e-0b19965db7ab	Does magnetic propagation follow the speed of light?	[{"id": "89701", "score": 1}]	5839	test
66fea4a4-2d33-4221-8024-8ba21ff1c728	Designing a plausible faster than light drive: the Space Skip Drive	[{"id": "24548", "score": 1}]	31869	test
64f40239-1c12-47fd-ae86-43afba4dc865	Capacitance of bodies with different charge	[{"id": "101116", "score": 1}]	102076	test
4131a319-fafb-4e0c-9c77-ae794b03df3e	Flying a toy helicopter inside an accelerating train	[{"id": "53475", "score": 1}, {"id": "94210", "score": 1}, {"id": "100768", "score": 1}]	22960	test
5bcabfd1-d2c7-4a48-a25b-47a82d2722c3	What happens if an atom absorbs a photon of energy higher than first excited state but lower than second excited state?	[{"id": "52379", "score": 1}]	53790	test
4d4c43f7-c0ea-4f5a-b2c0-9bf4d753272f	Science behind the singing wine glass	[{"id": "102350", "score": 1}]	39263	test
2bdbc63c-765d-4f67-8f81-134712fa8af6	Extra dimensions and the big bang	[{"id": "73954", "score": 1}]	77867	test
d6704061-d576-43b3-83e3-84a3faedea9f	Two explanations of non-zero atomic radius	[{"id": "134044", "score": 1}]	113830	test
764302da-4fd1-4799-8b0b-6d1b34ee4af2	Maximum voltage on metal sphere?	[{"id": "62416", "score": 1}]	133876	test
89174a13-8dee-4199-99f5-9becccb191c5	Caldeira-Leggett Dissipation: cannot get it	[{"id": "101271", "score": 1}]	100041	test
9da3f686-4d83-45a1-af25-f717b44fbce4	exponential potential $ \exp(\|x\|) $	[{"id": "59696", "score": 1}]	47128	test

4aaa31d9-a130-419e-b6f3-4c33d5fa8f43

What is the conclusion from Aharonov-Bohm Effect?

[{"id": "130186", "score": 1}]

99505

test

134dcd8f-e1b8-47c0-8b7c-50f70bf81e94

Should we necessarily express the dimensions of a physical quantity within square brackets?

[{"id": "77690", "score": 1}, {"id": "38670", "score": 1}]

73162

test

d334a188-2db3-4b9b-9a95-618efc63b16c

Trapping a lightray

[{"id": "63211", "score": 1}, {"id": "17844", "score": 1}, {"id": "12417", "score": 1}]

8347

test

c60c90df-0164-4375-8cb2-9cced847ed3f

Maximum helicopter height

[{"id": "29094", "score": 1}]

119935

test

fc0f5cc3-561e-4758-98d9-fb31ef6649c2

Why didn't a black hole form right after the Big Bang?

[{"id": "3294", "score": 1}]

66527

test

3b476f25-25e8-4050-8978-2f788f9db846

If the source of sound is vibration, why can't we "hear" a object whose molecules are vibrating?

[{"id": "126839", "score": 1}]

79685

test

1aeacfa1-7d51-4f7a-911d-bc1e955520a5

Direction of Magnetic force from a current running through a coil of wire

[{"id": "104094", "score": 1}]

7633

test

72642ef4-2348-43dd-b6a8-ff931b81a50a

Why does photon have only two possible eigenvalues of helicity?

[{"id": "104294", "score": 1}, {"id": "46643", "score": 1}]

29766

test

cef83905-f5f4-46fd-b8b1-079160b053e5

Schrodinger's cat experiment

[{"id": "67358", "score": 1}]

55719

test

94ee4c9f-fa30-4790-a3a3-02d4653cb2a8

Is it possible for one black hole to pull an object out of another black hole?

[{"id": "109491", "score": 1}]

39253

test

518f4b86-3b85-435e-ba1e-f8afee2c108b

Can I measure a journey time < 100 years on a 100 light year voyage?

[{"id": "109776", "score": 1}, {"id": "127402", "score": 1}, {"id": "122275", "score": 1}]

111546

test

ab2e1e14-fdfc-48c0-a952-7bb7e1cf0f40

Physics breakthroughs in the last two decades

[{"id": "4669", "score": 1}]

10130

test

871f89a5-706d-41e8-9608-1fc43c6abb36

Why, when one opens 1 car window, does that noise occur?

[{"id": "31256", "score": 1}]

28781

test

3615b096-8f73-4107-a6b2-4d8196ae7fd9

Buzzing/Vibration in body under power lines

[{"id": "29016", "score": 1}]

79136

test

528bba43-b77f-4dbe-aefa-6a582e9c10e8

Atmospheric pressure experiment using a cup with a fluid to hold a glass plate

[{"id": "114330", "score": 1}]

66658

test

568b7bc0-e46a-4593-9156-5a4e8f1fe18f

Is it possible for a planet to be made entirely of water (even it's core)?

[{"id": "26682", "score": 1}, {"id": "61016", "score": 1}]

71589

test

d26121f1-9f77-47e3-bc1a-ec8feddf0f6d

Travel duration from Earth to a star at 9.8 m/s² acceleration

[{"id": "75391", "score": 1}]

75002

test

877aad3a-56a3-44af-b502-b7a126e86732

Renormalization of diagrams in QFT

[{"id": "12385", "score": 1}, {"id": "52719", "score": 1}]

123210

test

7f7325ed-c108-4571-8d93-a530de3786e7

Pressure of sealed in liquid nitrogen

[{"id": "29517", "score": 1}]

29523

test

b9c81453-f9ff-442a-9fa4-4a1aef7c1172

Inertial frames of reference

[{"id": "69303", "score": 1}]

16885

test

b887a8e7-d4db-44e3-949f-8eb1554aca17

Why does the air flow faster over the top of an airfoil?

[{"id": "102789", "score": 1}]

13030

test

0c700cdb-2303-4fb6-aba8-44b4993339ac

A thought experiment with Heisenberg's Uncertainty Principle

[{"id": "34113", "score": 1}]

46824

test

21a3a90b-5606-4574-93fc-30ade02e1da7

How can you calculate how fast a spinning ring/cylinder will accelerate a mass via gravitomagnetism?

[{"id": "134372", "score": 1}]

133707

test

71eb6e5c-67a7-42a5-80a7-800a510d4ab0

Are there formulae for calculating stellar luminosity and effective temperature as a function of age?

[{"id": "25896", "score": 1}]

12589

test

ef1f0df3-49c2-44df-a3c1-1040d4d3b8e8

The speed of light as it approaches a massive body

[{"id": "106425", "score": 1}, {"id": "24319", "score": 1}]

98980

test

227a224c-0446-499c-8927-6cfb843d3f17

Uniqueness of eigenvector representation in a complete set of compatible observables

[{"id": "17850", "score": 1}]

27326

test

d6a91680-b3f7-49e9-924b-6ac51ac2943d

How do stars look like from space?

[{"id": "3327", "score": 1}]

49837

test

783e7c0b-a35a-473c-9070-01db6bb29167

Why isn't Higgs coupling considered a fifth fundamental force?

[{"id": "133713", "score": 1}, {"id": "67285", "score": 1}, {"id": "132721", "score": 1}]

1080

test

2e6ede1c-b91b-46d0-a52b-61681901cc9a

Relating Quantum Mechanics to Classic Electromagnetism

[{"id": "133033", "score": 1}]

133703

test

52cd1652-dc43-487c-b003-97291388e23f

Why would an electron in an orbit be accelerating continuously and would thus radiate away its energy and fall into the nucleus in a classical model?

[{"id": "30772", "score": 1}]

91797

test

42a9007f-6866-4933-996e-23165d83bb10

Transportation using disintegration

[{"id": "77760", "score": 1}]

99338

test

ab7e0120-9c0f-455c-bd71-59081d6c8652

Two particles interacting by a inverse-square-law force, find their positions in function of time

[{"id": "28519", "score": 1}, {"id": "30153", "score": 1}]

28527

test

54fa2f25-f86e-4950-a12c-5fc9dbbea387

How can we deduce the relation $m = \frac{m_0}{\sqrt{1-\frac{v^2}{c^2}}}$ between relativistic mass and rest mass in special relativity?

[{"id": "34008", "score": 1}, {"id": "45320", "score": 1}]

71772

test

875b24fb-c6c3-4308-8811-74a7e9d9bd59

Derivation of the Biot-Savart Law

[{"id": "67445", "score": 1}]

64751

test

8a205b24-5f53-47d0-868f-c042b4f55542

Energy can't be created or destoryed?

[{"id": "10309", "score": 1}, {"id": "33404", "score": 1}, {"id": "107013", "score": 1}, {"id": "77775", "score": 1}]

41386

test

deaaac72-f1d1-4e2f-84a5-52197bc72ef4

What keeps objects made of gold apart?

[{"id": "87107", "score": 1}]

120107

test

a8205b4e-cb76-4b22-88fc-571ee3ae176e

The interaction picture doesn't exist?

[{"id": "3983", "score": 1}]

69281

test

d69f291a-c573-4657-93b5-a2b35e67df15

Magnetic field lines

[{"id": "114544", "score": 1}, {"id": "75166", "score": 1}]

38561

test

62c3649f-4456-4df0-a9f6-a85bf71ef2d7

Is one way glass possible?

[{"id": "102859", "score": 1}, {"id": "57543", "score": 1}]

19043

test

07dec967-c314-4409-850d-66d9449a4bdb

Books for Condensed Matter Physics

[{"id": "103712", "score": 1}, {"id": "54675", "score": 1}, {"id": "43137", "score": 1}]

22046

test

52c6ade1-de0e-4b80-a3f0-1b6452a046e3

Does string theory provide quantitative experimental predictions?

[{"id": "15", "score": 1}, {"id": "30267", "score": 1}, {"id": "34015", "score": 1}]

5057

test

f81ead7d-c462-4eb7-8bf6-c0637dd524a6

Is it possible to blur an image in such way that a person with sight problems could see it sharp?

[{"id": "46724", "score": 1}]

661

test

1afd19a8-97f5-47f1-9fb6-b6a2b38c2a62

The Higgs field a new Luminiferous aether?

[{"id": "128558", "score": 1}, {"id": "24192", "score": 1}]

11527

test

0e1dcc30-d720-425b-a456-87ebfbe3f700

Reflection At Speed of Light

[{"id": "52659", "score": 1}]

13917

test

8367ffb4-71cd-48da-ad9d-cc4a73483e0b

Self-contained book about complex systems and nonlinear dynamics

[{"id": "39712", "score": 1}]

89335

test

f8ab32f0-972c-4934-a1ef-2ee43d5e0916

How can momentum but not energy be conserved in an inelastic collision?

[{"id": "106712", "score": 1}]

92051

test

63b5741b-2ee7-4fad-b348-aa69000f3cdd

How do you prove $S=-\sum p\ln p$?

[{"id": "44647", "score": 1}]

14436

test

570ed963-3f73-40c3-a83d-7748add406f7

Why don't we see solar and lunar eclipses often?

[{"id": "26728", "score": 1}, {"id": "62361", "score": 1}]

24588

test

6a8ac7bf-74b9-462e-84ce-8e8f6598df6c

What happens to things when things get crushed in a blackhole

[{"id": "26704", "score": 1}]

62711

test

d6840086-cf1d-454b-92ed-79f3a278056c

Infinities in Newtons law of gravity (for point particles)

[{"id": "126675", "score": 1}]

113660

test

7888cb19-3471-4985-a69d-b39b3d04af0f

Do black holes exist?

[{"id": "102202", "score": 1}]

103670

test

faaa5821-9341-40af-b884-0b45b91d09cf

Intrinsic structure of electron

[{"id": "64623", "score": 1}, {"id": "122602", "score": 1}, {"id": "24001", "score": 1}, {"id": "119732", "score": 1}, {"id": "68717", "score": 1}, {"id": "129730", "score": 1}]

30134

test

5a95ceb5-71f1-4ad6-9aca-a942c93d5379

The secret behind the spinning, asymmetrically weighted, 2D disk-shaped top?

[{"id": "109703", "score": 1}]

68223

test

6344d69d-cc52-4272-ada3-2b71728d0241

Dark Energy saving the world

[{"id": "2006", "score": 1}]

43919

test

9cacf26b-8f96-42ee-aa50-64e974378a84

Why do the planets' orbital distances fall on an exponential curve?

[{"id": "135369", "score": 1}]

18793

test

65180738-ac52-4e9e-8016-08a36b2a3844

How does a half-life work?

[{"id": "14232", "score": 1}]

102222

test

1c00f830-3ad5-46f6-bcba-7d8ac9cb0e53

Derivation of formula of potential energy by a conservative force

[{"id": "16339", "score": 1}]

133714

test

0cecb229-7ea8-424f-a740-869c88600f01

Why do people still talk about bohmian mechanics/hidden variables

[{"id": "8817", "score": 1}]

7112

test

778d9e19-682a-444b-90af-cfa7a8c060d1

Elastic potential energy of compressed spring?

[{"id": "72723", "score": 1}, {"id": "76267", "score": 1}]

75715

test

6918974a-081a-4284-a537-e6c4b983f6b2

Why can't some light ever reach earth?

[{"id": "67412", "score": 1}]

68198

test

4b8d576c-58fd-4da4-859e-9839d71d7763

Black holes and positive/negative-energy particles

[{"id": "106882", "score": 1}, {"id": "97889", "score": 1}, {"id": "111052", "score": 1}, {"id": "110026", "score": 1}]

30597

test

1368c3e5-fd55-4184-9a45-d83ba5cc1b5e

Special Relativity, 2nd Postulate -- Why?

[{"id": "34024", "score": 1}, {"id": "112038", "score": 1}]

134356

test

824f9b57-7fac-47bb-be52-7d8467885b29

Some basic questions about electric field & nucleus

[{"id": "9661", "score": 1}, {"id": "29641", "score": 1}]

61845

test

d7fe61aa-b41c-4fbb-9bfd-d03eb80baba0

Experimental study of the Photoelectric effect

[{"id": "35939", "score": 1}]

68234

test

1d6ece82-724f-4854-b256-c66553f877b1

Why is the Lagrangian quadratic in $\dot{q}$?

[{"id": "23098", "score": 1}, {"id": "93902", "score": 1}, {"id": "102767", "score": 1}]

55458

test

20f2e4f6-674a-4e8e-aef6-ce8921b6d77f

Finding charge (electromagnetism course)

[{"id": "52937", "score": 1}]

100197

test

99349f51-6688-4839-b1aa-c5bb3d3d482b

Why does it seem like a broken magnet's poles flip?

[{"id": "20761", "score": 1}, {"id": "105603", "score": 1}, {"id": "131102", "score": 1}]

16708

test

11e782e5-21e4-44d5-9cf2-773739198ee6

How does the sum of the series “1 + 2 + 3 + 4 + 5 + 6…” to infinity = “-1/12”?

[{"id": "66371", "score": 1}, {"id": "110411", "score": 1}, {"id": "95489", "score": 1}]

92739

test

da698ea5-b411-48ba-bb66-18afc49e82bf

Calculating position in space assuming general relativity

[{"id": "13958", "score": 1}]

10870

test

9773d2df-e873-4464-ad61-eec35f7e8d30

Does kinetic friction increase as speed increases?

[{"id": "2408", "score": 1}]

48534

test

d710b131-5883-4884-8bfe-0a9d28856098

Electricity directly from heating a material

[{"id": "17756", "score": 1}]

68233

test

fc49a8e8-ed84-44e7-b75a-e8d8ba5e9a30

Why do they store gold bars with the narrow side down?

[{"id": "55042", "score": 1}, {"id": "39512", "score": 1}]

9045

test

cc117e86-a8bc-4dbe-8c3b-68a71b81664a

Is it wasteful to use a heating element, instead of doing useful work?

[{"id": "98361", "score": 1}, {"id": "88780", "score": 1}, {"id": "120172", "score": 1}]

93130

test

118e4a5d-7195-4fe6-83b6-8afa71099473

Simulator for electrostatics

[{"id": "126814", "score": 1}]

30909

test

83d05b25-31ad-4aa5-b7d0-034ac602046b

conversion of information to energy

[{"id": "843", "score": 1}]

1051

test

84f2e1a1-19b4-41ce-9337-64f0821c3e0a

What is the nature of energy?

[{"id": "3014", "score": 1}, {"id": "112439", "score": 1}]

98516

test

52787408-dc4d-4300-b0d7-07f69dbfd56f

Strongest force in nature

[{"id": "38550", "score": 1}, {"id": "4243", "score": 1}, {"id": "128217", "score": 1}]

8420

test

b6819e4b-d62d-466a-99da-2ff8cb2bf702

Diffraction by a lens

[{"id": "109088", "score": 1}]

91286

test

5e9e52b6-7141-4274-99c3-13e7fb0b960c

How occurs the enantiomorph of the mirror?

[{"id": "8227", "score": 1}, {"id": "93964", "score": 1}]

70439

test

bafe6432-5730-4285-beb6-051842a0a226

As the earth rotates around itself, does this have any effect on the dynamics of flights?

[{"id": "1193", "score": 1}, {"id": "16390", "score": 1}, {"id": "112349", "score": 1}, {"id": "58154", "score": 1}, {"id": "112653", "score": 1}, {"id": "133996", "score": 1}, {"id": "80090", "score": 1}, {"id": "48287", "score": 1}, {"id": "44669", "score": 1}, {"id": "54278", "score": 1}, {"id": "100564", "score": 1}]

78095

test

d8e7e78b-06af-49d5-b5b7-3d88c91fbe26

Are we inside a black hole?

[{"id": "111814", "score": 1}]

23118

test

0a564193-be24-4290-8d69-0972e87599ed

Hydrostatic pressure at the center of a water planet

[{"id": "110246", "score": 1}]

111696

test

51c2874f-7e50-4db6-bda0-5bc3a27732a5

Sign convention for mirror and lens formulas

[{"id": "129034", "score": 1}]

113523

test

0173b663-1093-4c18-84d1-f4dca1c4234e

Why earth looks always flat when it is round

[{"id": "26427", "score": 1}, {"id": "73962", "score": 1}]

106543

test

07fd5d29-8668-438f-af04-ead614636d52

Why doesn't the Moon fall upon Earth?

[{"id": "134915", "score": 1}]

9049

test

3d32315a-d263-4bed-a885-11d343b41c91

What exactly is the 'observer' in physics and/or quantum mechanics?

[{"id": "9857", "score": 1}, {"id": "51374", "score": 1}, {"id": "128335", "score": 1}, {"id": "111307", "score": 1}]

18602

test

193858d2-ccc4-45b9-bf98-af1765ffab3e

What exactly is a quantum of light?

[{"id": "62588", "score": 1}]

18563

test

b565a229-07fd-437e-ba00-9a0180d893d8

Why don't electric workers get electrocuted when only touching one wire?

[{"id": "41770", "score": 1}, {"id": "62996", "score": 1}, {"id": "80679", "score": 1}]

63987

test

bd94e2cf-a410-41ee-915d-6cf47e51844d

Proving that interval preserving transformations are linear

[{"id": "132499", "score": 1}]

12664

test

34317432-8709-4a89-947e-0b19965db7ab

Does magnetic propagation follow the speed of light?

[{"id": "89701", "score": 1}]

5839

test

66fea4a4-2d33-4221-8024-8ba21ff1c728

Designing a plausible faster than light drive: the Space Skip Drive

[{"id": "24548", "score": 1}]

31869

test

64f40239-1c12-47fd-ae86-43afba4dc865

Capacitance of bodies with different charge

[{"id": "101116", "score": 1}]

102076

test

4131a319-fafb-4e0c-9c77-ae794b03df3e

Flying a toy helicopter inside an accelerating train

[{"id": "53475", "score": 1}, {"id": "94210", "score": 1}, {"id": "100768", "score": 1}]

22960

test

5bcabfd1-d2c7-4a48-a25b-47a82d2722c3

What happens if an atom absorbs a photon of energy higher than first excited state but lower than second excited state?

[{"id": "52379", "score": 1}]

53790

test

4d4c43f7-c0ea-4f5a-b2c0-9bf4d753272f

Science behind the singing wine glass

[{"id": "102350", "score": 1}]

39263

test

2bdbc63c-765d-4f67-8f81-134712fa8af6

Extra dimensions and the big bang

[{"id": "73954", "score": 1}]

77867

test

d6704061-d576-43b3-83e3-84a3faedea9f

Two explanations of non-zero atomic radius

[{"id": "134044", "score": 1}]

113830

test

764302da-4fd1-4799-8b0b-6d1b34ee4af2

Maximum voltage on metal sphere?

[{"id": "62416", "score": 1}]

133876

test

89174a13-8dee-4199-99f5-9becccb191c5

Caldeira-Leggett Dissipation: cannot get it

[{"id": "101271", "score": 1}]

100041

test

9da3f686-4d83-45a1-af25-f717b44fbce4

exponential potential $ \exp(|x|) $

[{"id": "59696", "score": 1}]

47128

test