Atomic clocks could be used to observe gravitational waves in a new way.
The Challenge of Proving Black Holes
What if black holes don’t exist, but similar objects do? How would we tell the difference?
Precision Falling
One of the major problems with LIGO is that it is ground based. Any vibration of the ground, such as a truck driving on a road miles away, can cause noise in the signal. A better alternative would be to put the LIGO project in space. This is the idea behind the Evolved Laser Interferometer Space Antenna (eLISA)
Shaken, Not Stirred
One of the predictions of general relativity is that the motion of large masses, such as a binary system of black holes or neutron stars, should produce gravitational waves. When most people think of waves they typically think of water waves. Drop a pebble in a calm pond and you can watch the waves spread out over the surface of …