This is why we do what we do: Letter to a ^top scientist at Woomera.

This is how the space race was won, you know. Millions of children who had the rocket researchers’ addresses.

This sounds awfully New Agey for Yale, but apparently, physicists there have discovered that metal circles have a tiny amount of persistent energy flowing through them eternally:

The counterintuitive current is the result of a quantum mechanical effect that influences how electrons travel through metals, and arises from the same kind of motion that allows the electrons inside an [...]