The experiments were made possible by a novel, one-layer ion trap cooled to minus 269 C (minus 452 F) with a liquid helium bath.

实验利用了一种单层离子势阱，并将其浸在液氦浴中冷却到零下269摄氏度。

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The Harvard physicist Russell Seitz wants to create what amounts to a giant oceanic bubble bath: bubbles trap air, which brightens them enough to reflect sunlight away from the surface of the earth.

NEWYORKER: The Climate Fixers