gravitational waves
How the Bits of Quantum Gravity Can Buzz
New calculations show how hypothetical particles called gravitons would give rise to a special kind of noise.
Abstractions blog
What Might Be Speeding Up the Universe’s Expansion?
Physicists have proposed extra cosmic ingredients that could explain the faster-than-expected expansion of space.
Q&A
The Man Making Rwanda Into a Hub for Physics
As the founding director of a new institute for fundamental research in Rwanda, the physicist Omololu Akin-Ojo hopes to stem the brain drain of Africa’s brightest minds.
Q&A
A Call for Courage as Physicists Confront Collider Dilemma
Carlo Rubbia, leader of the bold collider experiment that in 1983 discovered the W and Z bosons, thinks particle physicists should now smash muons together in an innovative “Higgs factory.”
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