We’ve grown up with the idea that the universe will expand forever, meaning the "cosmological constant" is positive. What if ...
"Fast radio bursts shine through the fog of the intergalactic medium, and by precisely measuring how the light slows down, we can weigh that fog, even when it's too faint to see." Half of the universe ...
Results that may be inaccessible to you are currently showing.
Hide inaccessible results
Feedback