6 posts tagged with light and science.
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Why are there colors? Explain like I'm six.

My six-year-old son asked me a question I'm stumped by (one of many). He asked "Why are there different colors?" I half-attempted an explanation about light wavelengths and light reflecting off surfaces and soon realized I was a) over his head and b) over my own head. How would you explain the concept of color--of what color really is--to a six-year-old? Obviously very simple language is needed here.
posted by zardoz on Apr 23, 2015 - 28 answers

Filter that makes laser beam visible?

Are there types of laser light, color or wavelength, whole beam can be seen in daylight conditions with a special eyeglass filter? [more inside]
posted by pallen123 on Mar 6, 2012 - 11 answers

Does light have magnetism?

Does light have magnetism?
posted by Optamystic on Nov 27, 2010 - 23 answers

A light conservation.

Does light (like heat) seep and weaken? [more inside]
posted by Pennyblack on Feb 18, 2009 - 5 answers

What would happen if you could create a perfect two-way mirror into a sphere?

What would happen if you could create a perfect two-way mirror into a sphere? [more inside]
posted by Lownotes on Oct 30, 2007 - 12 answers

Lumpy Earth---gravity's effects on us?

Gravity/Life/SocietyFilter: So the Earth is all lumpy, with more or less gravity in some places. Has anyone ever corroborated it with life/social/world things? Many questions inside... [more inside]
posted by amberglow on Feb 18, 2006 - 33 answers

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