Leben

The macro world as we know it is governed by Newton’s laws of motion and gravity - what goes up, must come down.

But a team of physicists from Columbia University have put forward a theoretical paper that turns this idea on its head. They say there might actually be particles with negative mass - which under gravity, move up, instead of down - and they’re all around us.

According to their paper, it’s not any weird subatomic particle that has these properties, but the particles of sound we hear and produce every day - phonons - that are rebelling against the force of gravity.

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刘珂矣 - 墨痕

Quirky is the young girl.

She is chatting with her friends.

name mb for Althia

John Keats’s opening lines for his poem “Written in the Cottage Where Burns Was Born,” in KEATS (Everyman’s Library Pocket Poets).

On this day, July 7 in 1818, Keats visited the home of poet Robert Burns in Alloway and wrote this sonnet.