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Forums
4hv.org :: Forums :: Electromagnetic Radiation
4hv.org :: Forums :: Electromagnetic Radiation
Electromagnetic Radiation Forum
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Baggage x-ray machine teardown
mikeselectricstuff
Sat Oct 06 2012, 08:43AM		 5 1354 Conundrum
Thu Jan 03 2013, 08:47AM
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tea laser
OnTheWaterfront
Sat Dec 01 2012, 12:17AM		 5 1300 Pinky's Brain
Sun Dec 30 2012, 10:01PM
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Orb wireless charging problems
Conundrum
Sat Dec 29 2012, 10:21PM		 1 954 Conundrum
Sat Dec 29 2012, 10:21PM
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Projects for cheap laser diodes
Chip Fixes
Thu Dec 13 2012, 10:29PM		 3 1501 Sulaiman
Fri Dec 28 2012, 09:28AM
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Creating a neutron source Go to page: 1 2 3 4
Andy
Sat Dec 01 2012, 02:20AM		 33 109793 klugesmith
Thu Dec 13 2012, 06:40AM
No new posts on popular topic
Optics and laser beam width, need help please. Go to page: 1 2 3 4 5 6
Patrick
Mon Nov 26 2012, 04:43AM		 54 12451 Patrick
Mon Dec 10 2012, 03:11AM
No new posts on popular topic
Firing a electron accelerator at polythene Go to page: 1 2
Andy
Sat Nov 17 2012, 06:46AM		 15 3456 Ash Small
Wed Nov 28 2012, 06:03PM
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Mystery pigeon disappearances Go to page: 1 2
Conundrum
Sat Aug 25 2012, 03:14PM		 17 3709 Conundrum
Tue Nov 27 2012, 09:28PM
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Need Help With Optics !
Patrick
Tue Nov 20 2012, 10:50PM		 6 1446 Scott Fusare
Wed Nov 21 2012, 10:58PM
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Asbestos in Kimmon HeCd laser?
hboy007
Sat Nov 17 2012, 10:18AM		 7 1927 Shrad
Tue Nov 20 2012, 09:40AM
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Hacking a broken camera for B/W
Conundrum
Fri Sept 28 2012, 10:04AM		 3 1540 Conundrum
Sun Nov 18 2012, 10:43AM
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Anyone know a good design for an array of interlocking linear actuators Go to page: 1 2
jpoopdog
Mon Nov 05 2012, 12:00AM		 14 4218 Sulaiman
Sat Nov 17 2012, 06:33AM
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Creative recycling
Conundrum
Thu Nov 08 2012, 10:14PM		 1 953 Conundrum
Thu Nov 08 2012, 10:14PM
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EL wire hassle
Conundrum
Sun Nov 04 2012, 12:29AM		 1 965 Conundrum
Sun Nov 04 2012, 12:29AM
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Optical impedance matching
Conundrum
Mon Oct 29 2012, 07:14PM		 2 922 Sulaiman
Mon Oct 29 2012, 07:41PM
No new posts on popular topic
Ion Beam collision calculations Go to page: 1 2
MArked One
Sun Oct 21 2012, 02:59PM		 14 3092 Uspring
Sun Oct 28 2012, 06:41PM
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Idiots "could get lasers banned in UK"
Conundrum
Sun Oct 07 2012, 01:21PM		 3 1578 Conundrum
Sat Oct 13 2012, 07:49AM
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Rigrunner Antenna Analysers.
radiotech
Mon Oct 08 2012, 07:32PM		 3 1331 radiotech
Mon Oct 08 2012, 11:56PM
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Add your interesting news article here
Conundrum
Sat Oct 06 2012, 09:04AM		 1 972 Conundrum
Sat Oct 06 2012, 09:04AM
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cheap geiger counters?
haxor5354
Fri Sept 28 2012, 01:14AM		 4 2748 Dragon64
Fri Sept 28 2012, 02:20PM
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The EM spectrum charts
Redstone
Sun Sept 23 2012, 12:55AM		 8 1471 Pinky's Brain
Mon Sept 24 2012, 03:04PM
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Um, how in the heck...
Conundrum
Sat Sept 22 2012, 02:18PM		 7 1255 Conundrum
Mon Sept 24 2012, 06:12AM
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Dead laser diodes as UV sensors ?
Conundrum
Tue Dec 06 2011, 09:30PM		 7 1782 Conundrum
Sat Sept 22 2012, 02:04PM
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What sort of detector to check safety of baggage X-ray machine?
mikeselectricstuff
Fri Sept 14 2012, 10:21PM		 5 1243 Proud Mary
Sun Sept 16 2012, 07:34PM
No unread posts
Fiber Optic repair issues
Carbon_Rod
Thu Aug 23 2012, 04:18AM		 4 1391 IntraWinding
Tue Sept 04 2012, 02:02PM
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