About the SA Blog Network

Posts Tagged "cosmic microwave background radiation"

Critical Opalescence

Gravitational Waves Reveal the Universe before the Big Bang: An Interview with Physicist Gabriele Veneziano

It’s not usually put like this, but the discovery of primordial gravitational waves two weeks ago has given us our first direct glimpse of a period before the big bang. The term “big bang” is sometimes taken to mean the beginning of the universe, and that’s the impression you get from diagrams such as the [...]

Keep reading »
Critical Opalescence

Cosmological Data Hint at a Level of Physics Underlying Quantum Mechanics [Guest Post]

Two weeks ago, I blogged about David Bohm’s interpretation of quantum mechanics. Like Einstein and Louis de Broglie before him, Bohm argued that quantum randomness is not intrinsic to nature, but reflects our ignorance of a deeper level of reality. One physicist who has developed the idea further is Antony Valentini of Clemson University. Last [...]

Keep reading »

More from Scientific American

Scientific American Holiday Sale

Black Friday/Cyber Monday Blow-Out Sale

Enter code:
at checkout

Get 20% off now! >


Email this Article