A nano-engineered structure that levitates when a laser of a similar intensity to sunlight is shone on it could help scientists to study a hard-to-reach region of the atmosphere. A standard Crookes ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. Crookes-type radiometer with a ...

In this video I see how fast we can get a radiometer to spin by shining the world's brightest flashlight on it. Then I talk about the real reason the Crookes radiometer spins when you shine light on ...