Optoelectronics, Optics, Lights and Lasers
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Subject Started by Replies Views Last post
Heres a question based on theory and speculitive events on E.T's? Keola_M 2 88 Last post July 15, 2011, 04:07:17 PM
by lukeboyuk
HELP! Which of the following fungi are known to reproduce only by asexual means?:? Fefe_Dobson 1 201 Last post July 15, 2011, 11:27:20 AM
by Winters
How will Evolution Theory survive in light of the data? Somebody 1 61 Last post July 15, 2011, 07:46:17 AM
by tina_g
Cooler bags and thermos's have reflective material inside but usually not outside, why? Nervus_Vagus 1 70 Last post July 15, 2011, 07:17:44 AM
by Family_Man
How to find the energy contained in a single quantum of light with a given frequency and planck's constant? Spaceman_Spiff 1 63 Last post July 15, 2011, 04:28:51 AM
by Ma_K
two slits 2.4 x 10^-6m apart, illuminated by parallel rays, form the 3rd-order bright fringe at an angle of 30? DevinB 1 269 Last post June 29, 2011, 10:25:26 AM
by lackadaisical
Physics Question Light/Sound? botterflies 1 74 Last post June 29, 2011, 10:16:09 AM
by neville
Bohr Model Chem question? QUIX 1 81 Last post June 29, 2011, 09:52:13 AM
by pisgahchemist
an electron needs an energy of 2.0ev to escape from a metal surface. If ultraviolet light of wavelength 250nm? understanding 2 88 Last post June 29, 2011, 09:42:54 AM
by mranonymous
PHYSICS: electromagnetic waves: wavelength question..please help! thank you? Noel 2 86 Last post June 29, 2011, 09:36:01 AM
by obelix
Questions about the universe...science/history? Tyler_Guerrero 3 374 Last post June 28, 2011, 12:35:13 PM
by Anthony_Stauffer
light is incident at an angle of 41 degrees on the surface of a diamond.? hannah 4 160 Last post June 28, 2011, 11:44:33 AM
by Irma_Jacobsson
Multiverse, Aliens, and Black Holes? Matt 5 170 Last post June 28, 2011, 10:44:32 AM
by Discoverer
Is theory on the origin of the universe? Colby_Jackson 5 137 Last post June 28, 2011, 10:01:42 AM
by YahooUser
Why refraction happens ? Lafiz_Maruf 2 350 Last post June 28, 2011, 07:51:05 AM
by gintable
How big is the universe? Zach_H 11 167 Last post June 28, 2011, 07:19:09 AM
by Comet_Elenin
Read my thoughts on the time/space fabric? Nathan_W 3 96 Last post June 28, 2011, 04:46:56 AM
by Bob_D
Is the internet infinite? Matthew_Viramontes 6 262 Last post June 28, 2011, 04:21:59 AM
by By_the_Ocean
If there was a mirror in space? john_c 11 730 Last post June 28, 2011, 02:46:17 AM
by Johnny_Ratchet
Physics: finding the wavelength of sound? Herr_Schlachter 1 69 Last post June 27, 2011, 04:19:09 PM
by clarinetistazn
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