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Heat Engines Shrunk By Seven Orders of Magnitude

DeltaStorm Re:what is a cubic micrometer (168 comments)

Can the physics gurus please put cubic micrometers in perspective for us common mortals? Is that as big as a grain of rice or a head of a pin?
10^7 micrometers is.... a spehrical cow? a toaster?

Yes, someone explain how many of them would fit into the library of congress.

more than 4 years ago

The Herschel Telescope Close To Blast Off

DeltaStorm Re:Infrared == looks far away (136 comments)

I thought red-shift was caused by the direction and speed the object is traveling in relation to us, not its distance.

It's both actually. Due to the expansion of the universe, objects that are further away from us are moving away from us faster than closer objects. Hubble's Law

more than 5 years ago


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