Can gravitational waves be waylaid by gravity?
Yesterday, I learnt the answer is 'yes'. Gravitational waves can be gravitationally lensed. It seems obvious once you think about it, but not something that strikes you (assuming you're no…
general theory of relativity
5 posts
Onto drafting the gravitational history of the universe
It's finally happening. As the world turns, as our little lives wear on, gravitational wave detectors quietly eavesdrop on secrets whispered by colliding blackholes and neutron stars in distant re…
A universe out of sight
We've been able to find that the universe is expanding faster than we thought. The LHC has produced the most data on one day. Good news, right?…
Parsing Ajay Sharma v. E = mc2
An Indian scientist’s disputes with Einstein’s mass-energy equivalence betray a misreading of how one of history’s most famous equations came to be.…
Feeling the pulse of the space-time continuum
Humans have known about the force of gravity since ancient times. Yet, we are still exploring its true nature, how it works, and why it works the way it does.…