Chemistry And Computing For The Curious: Keeper L. Sharkey Quantum

By Keeper L. Sharkey (spirit of the curious)

The answer lives at the intersection of quantum chemistry and quantum computing. Let’s go exploring. Chemistry, at its heart, is not about beakers and flames. It is about electrons . Where they are, where they go, and how they dance with one another. By Keeper L

As physicist Richard Feynman famously said in 1982: “Nature isn’t classical, dammit. So if you want to simulate nature, you’d better make it quantum mechanical.” Chemistry, at its heart, is not about beakers and flames

Why does a molecule smell? How could a computer solve a problem in seconds that would take a classical machine billions of years? And what do these two questions have in common? As physicist Richard Feynman famously said in 1982:

To simulate one entangled electron on a classical machine, you need to track an enormous list of probabilities. For 300 entangled electrons? You would need more bits than there are atoms in the observable universe.

And for the curious? That is the best place to be: at the frontier where we don’t yet have all the answers, but we finally have the right machine to ask the questions. Keep looking up. Keep asking why. The quantum world is not spooky—it is just patiently waiting for us to learn its language.

But electrons do not obey the rules of our everyday world. They obey quantum rules. A classical electron is like a marble on a table. You can point to it: “There.”