Lawn Guyland filter: Does anyone know how long the big waves at Jones Beach and Robert Moses beach going to last? Are they still even around? How about tomorrow morning? [more inside]
posted by amethysts on Aug 23, 2009 - 8 answers

Do radio waves attenuate and become noise or do they go on forever? [more inside]
posted by MrMulan on May 12, 2009 - 14 answers

How much do criss-crossing electromagnetic waves affect one another? [more inside]
posted by Eiwalker on Feb 21, 2009 - 8 answers

How densely is the air in populated places packed with invisible waves? How harmful is all that? [more inside]
posted by Rykey on Aug 13, 2008 - 13 answers

What town in the United States has the lowest amount of detectable radio waves? [more inside]
posted by mdbell79 on Jul 17, 2008 - 16 answers

Can you think of any good video clips of waveforms in space that you've seen? They don't necessarily have to be copyright free (this is for a personal project), but they do need to be good quality and accessible to me within a few days - I'm doing this project at DVD resolution, 720 X 480... [more inside]
posted by wavejumper on Jan 17, 2008 - 3 answers

How do radio waves travel through walls? [more inside]
posted by amsterdam63 on Dec 29, 2007 - 15 answers

What happens at either extreme of the electromagnetic spectrum? [more inside]
posted by euphorb on Oct 19, 2007 - 17 answers

Recommendations for good explanations of waves and vibrations. I'm taking a college-level course (includes DiffEQ and some linear algebra) on the physics of waves, and it's completely stumping me. I need help parsing the topic as a whole. Much [more inside]
posted by schroedinger on Oct 17, 2006 - 12 answers

How can I tell if my microwave has become unsafe? [more inside]
posted by louigi on Jun 20, 2006 - 12 answers

A random question involving fluorescent strips, pulsing lights and possibly a chiller cabinet. [MI] [more inside]
posted by twine42 on May 28, 2004 - 9 answers