A Crookes radiometer, despite what many explanations claim, does not work because of radiation pressure. When light strikes the vanes inside the near-vacuum chamber, it heats the vanes, which then ...

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 ...

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 ...

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 ...