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Science Education

Thread	Forum	Last post on	Highlighted on
Multistage Rocket	Advanced Physics	Oct24-09 10:07 PM	Oct24-09
Derivative Operators	Advanced Physics	Oct20-09 09:09 PM	Oct21-09
Spring-Pendulum System	Advanced Physics	Oct5-09 06:52 PM	Sep27-09
Christoffel Symbols problem in GR	Advanced Physics	Aug21-09 08:06 AM	Aug20-09
Inner product of functions	Calculus & Beyond	May28-09 05:39 PM	Feb28-09
Integrals (Riemann-Darboux, Riemann, Lebesgue,etc)	Calculus & Beyond	Feb28-09 05:12 PM	Feb28-09
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Physics

Thread	Forum	Last post on	Highlighted on
Aharonov Bohm Effect (gauge invariance)	Quantum Physics	Nov2-09 02:53 PM	Nov1-09
photon gravity	Special & General Relativity	Oct29-09 10:15 PM	Oct27-09
Heliocentrism from a relativistic standpoint...	Special & General Relativity	Oct23-09 04:57 AM	Oct13-09
A cup that moves by itself.	General Physics	Aug27-09 11:20 AM	Aug19-09
Electric field of uniform charge density	Classical Physics	Jul13-09 04:22 PM	Jul13-09
MRI Imaging	General Physics	Jun24-09 11:09 AM	Jun22-09
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Astronomy & Cosmology

Thread	Forum	Last post on	Highlighted on
expanding universe	Cosmology	Jul12-09 04:04 PM	Jun7-09
Explosion in space	General Astronomy	May7-09 09:44 AM	Mar4-09
Why we have night	General Astronomy	Oct30-09 07:23 AM	Feb13-09
Universe: Finite or Infinite?	Cosmology	Jun6-09 09:35 PM	Feb11-09
When did H2O develop during the last 13.5 b y?	Astrophysics	Sep10-09 10:32 AM	Feb11-09

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Mathematics

Thread	Forum	Last post on	Highlighted on
Proofs of impossibility	Number Theory	Jun7-09 08:59 AM	Jun7-09
axb=-bxa, why?	General Math	Jun4-09 07:06 PM	Jun4-09
Reciprocals of derivatives	Calculus & Analysis	Jun7-09 12:29 PM	Jun4-09
Hilbert's Paradox and 0=1	General Math	May2-09 06:20 PM	Feb19-09
Counting partitions with two givens	Number Theory	May2-09 12:28 AM	Feb19-09
Divisible by a square	Number Theory	Sep11-08 10:08 PM	Feb18-09
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Engineering

Thread	Forum	Last post on	Highlighted on
Add wall-wart in parallel with batteries?	Electrical Engineering	Jul8-09 10:15 AM	Jul5-09
Half Lives	Nuclear Engineering	Mar17-09 08:58 AM	Mar15-09
Water under high pressure	General Engineering	Mar14-09 07:01 AM	Mar14-09
Wheel and Fork	Mechanical Engineering	Mar11-09 03:48 AM	Mar2-09
capacitor charging loss (Not the two capacitor issue.)	Electrical Engineering	Mar8-09 12:32 PM	Feb22-09
4 Layer PCB Stack-up	Electrical Engineering	Feb23-09 02:23 PM	Feb19-09
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Other Sciences

Thread	Forum	Last post on	Highlighted on
Awesome vintage keyboard replica?	Computing & Technology	Nov12-09 11:07 AM	Nov11-09
Paint your roof white to reduce global warming	Earth	Sep19-09 12:19 PM	Aug2-09
Is the swine flu a threat?	Biology	Oct16-09 04:07 PM	May2-09
Brain Capacity	Medical Sciences	May2-09 05:36 PM	Feb27-09
Blind people see blackness?	Medical Sciences	Aug29-09 06:49 PM	Feb16-09
How to cash in on the renewable energy boom	Social Sciences	Aug17-09 10:52 PM	Feb11-09
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PF Lounge

Thread	Forum	Last post on	Highlighted on
Indisputable Proof that Electrons Exist?	Philosophy	Oct30-09 08:07 PM	Oct29-09
is there any charge(cost) for subscribing a thread?	Forum Feedback & Announcements	Nov1-09 09:11 PM	Oct21-09
Vagueness as a model of initial conditions	Philosophy	Sep12-09 06:43 PM	Sep25-09
Avoid walking in circles in the wild	General Discussion	Nov7-09 04:31 PM	Sep24-09
Lindsay Audiophile Cables	Product Claims	Sep17-09 01:35 PM	Sep17-09
Evolution vs. Creationism debate - help needed	General Discussion	Sep15-09 07:33 PM	Sep8-09
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