Can you believe he's just a kindergartener? It looks like they've got an Einstein in the family.
If Einstein, my dear / Were a toll booth cashier / I imagine he too would be.
Tachyons exist on the other side of the Einstein barrier.
... a worm hole, this is a genuine solution of Einstein's equations. We can actually see ...
... Einstein's theory of general relativity in its computer software and hardware. ...