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Look at what happens around us. A child who smiles, a nightingale that sings, an ily that opens: all move. Every shadow, even an immobile one, is due to moving light.
Every mountain is kept in place by moving electrons. Every star owes its formation and its shine to motion of matter and radiation. Also, the darkness of the night sky* is due to motion: it results from the expansion of space.
A few years ago, while testing a superconducting ceramic disc by rotating it above powerful electromagnets, Podkletnov noticed something extremely strange. Small objects above the disc seemed to lose weight, as if they were being shielded from the pull of Planet Earth. The weight reduction was small – around 2 percent – but nothing like this had ever been observed before. If the shielding effect could be refined and intensified, the implications would be immense. In fact, practical, affordable gravity nullification could change our lives more radically than the invention of the internal combustion engine.
You don’t have to be a scientist to get excited about breakthroughs in theoretical physics. Discoveries such as gravitational waves and the Higgs boson can inspire wonder at the complex beauty of the universe no matter how little you really understand them.
