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Forums
4hv.org :: Forums :: Electromagnetic Radiation
Electromagnetic Radiation Forum
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  Thread Starter Replies Views Latest Post
 Important Threads
Announcement Thread
Amateur Radio Goto page: [ 1 2 3 4 ]
Dave Marshall
Mon Feb 06 2006, 06:32PM
95 43330 Conundrum
Tue Mar 01 2016, 04:59AM
 Forum Threads
Homemade metal cutting laser possible?
colin heath
Thu Jan 19 2017, 12:54PM
1 72 2Spoons
Thu Jan 19 2017, 08:24PM
Motor threshold
ElectroMichel
Sun Jan 08 2017, 02:55PM
1 86 Sulaiman
Sun Jan 08 2017, 03:05PM
magnetic fields of the human brain
ElectroMichel
Thu Jan 05 2017, 08:59PM
1 91 Bjørn
Fri Jan 06 2017, 12:30AM
AC vs. DC magnetic wave?
ElectroMichel
Thu Jan 05 2017, 09:08PM
1 62 Sulaiman
Thu Jan 05 2017, 09:53PM
DC vs AC magnetic properties
ElectroMichel
Thu Jan 05 2017, 08:22PM
None 39 -
Highest relative permeability at 12 T
ElectroMichel
Thu Jan 05 2017, 07:53PM
None 43 -
Signal Piggybacking
ElectroMichel
Thu Jan 05 2017, 11:59AM
2 72 Sulaiman
Thu Jan 05 2017, 05:27PM
Philips 4C35 and Valvo 5C22 radioactivity?
Molenaar
Thu Dec 29 2016, 05:27PM
None 106 -
Pulse width of a red laser diode as a function of the width of the corresponding electrical pulse
Physikfan
Sun Dec 18 2016, 05:20PM
6 289 Physikfan
Wed Dec 21 2016, 04:46PM
Old double prism spectrometer
Physikfan
Fri Dec 09 2016, 05:09PM
6 186 Proud Mary
Sat Dec 17 2016, 06:10PM
No New Posts on Popular Thread
1 ns red laser diode pulses by 6 ns electrical pulses
Physikfan
Sun Dec 04 2016, 10:23AM
11 493 Physikfan
Sun Dec 11 2016, 11:01PM
radiation mutagenesis, plants
Inducktion
Tue Apr 12 2016, 05:35PM
8 922 radiotech
Mon Nov 14 2016, 07:47AM
Elasto-optical polarization experiments
Physikfan
Sun Oct 30 2016, 06:14PM
5 200 Sulaiman
Mon Oct 31 2016, 01:45AM
Optics kit, Berkeley Physics volume 3, 1974
Physikfan
Sun Oct 09 2016, 09:02AM
1 96 Physikfan
Sun Oct 30 2016, 09:34PM
Historic collection of physical devices IV: Optics
Physikfan
Sun Oct 09 2016, 09:25AM
1 116 Physikfan
Sun Oct 30 2016, 09:20PM
Neon spectra by direct vision prism
Physikfan
Fri Oct 21 2016, 11:45AM
1 159 Physikfan
Sun Oct 30 2016, 09:07PM
grating spectrometer
Physikfan
Tue Oct 25 2016, 12:49PM
1 114 Physikfan
Sun Oct 30 2016, 08:08PM
Experiments with polarizers
Physikfan
Mon Oct 10 2016, 08:36PM
1 128 Physikfan
Sun Oct 30 2016, 06:54PM
wave optics kit
Physikfan
Sat Oct 29 2016, 06:41PM
5 114 Physikfan
Sat Oct 29 2016, 08:00PM
neon spectra by transmission grating
Physikfan
Tue Oct 25 2016, 01:10PM
1 136 Physikfan
Tue Oct 25 2016, 01:20PM
New Shawyer patent
Conundrum
Thu Oct 13 2016, 07:47AM
None 165 -
Photoflash or Lighting Unit for High Speed Cinematography
Chris
Sun Oct 02 2016, 10:46PM
None 175 -
No New Posts on Popular Thread
Add your atomic clock here
Conundrum
Fri Nov 28 2014, 06:22AM
13 2465 Conundrum
Sun Sep 11 2016, 05:05AM
Astro HVO-Vario G 38, teardown of a 862 MHz cable TV amplifier
Mads Barnkob
Tue Sep 06 2016, 07:37AM
None 230 -
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