Search found 2 matches

by Mens rea
Thu Aug 27, 2009 6:17 pm UTC
Forum: Mathematics
Topic: Math Software
Replies: 143
Views: 164254

Re: Math Software

I am not sure if anyone said this yet, because I am too busy (read lazy) to scan through all the replies, but Wolfram's Mathematica is quite possibly the best commercially available math software. I can say it is definitely worth the money.
by Mens rea
Thu Aug 27, 2009 6:12 pm UTC
Forum: Science
Topic: Does light exert gravity?
Replies: 69
Views: 7473

Re: Does light exert gravity?

Photons do not have a mass. That said, they are affected by gravity, which is the reason behind gravitational lensing and black holes being "black." MIB24601 explains it well. Light does, however, exert pressure. (See Radiation Pressure)

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