When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Who was Schrödinger, and what happened to his cat? What exactly is string theory and why should ...

Physicists speak of the world as being made of particles and force fields, but it is not at all clear what particles and force fields actually are in the quantum realm. The world may instead consist ...

The hydrogen molecule H 2 is the simplest stable molecule, with two protons and two electrons bound together. Scientists have studied it for more than a century because it’s small enough that theory ...

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