Comments on LIGO Gets An Upgrade
Gravitational waves have eluded scientists thus far; new, improved LIGO should be sensitive enough to detect them. (Read
the complete story)
"Here's a nice video of what LIGO does and describes Newton's and Einstein's ideas about gravity. Perhaps one day LIGO will validate Einstein's gravitational wave theory.
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(Bill Christensen 4/12/2008 9:03:35 PM)
"In Larry Niven's short story "The hole man", a gravity detector inadvertently detects an alien communication device on Mars.
The wikipedia item isn't very accurate IMHO, but here it is:
http://en.wikipedia.org/wiki/The_Hole_Man
"
(Yossi Preminger 4/14/2008 10:55:54 PM)
Centipede Robots Down On The Farm
'...the walking mills of Puffy Products began to tread delicately on their centipede legs across the wheat fields of Kansas.'
Musk Proposes Sites For Martian Cities
'...its streets were of remarkable width, with few or no buildings so high as mosques, churches, State-offices, or palaces in Tellurian cities.'