To perceive the relative positions of objects in the visual field, the visual system must assign locations to each stimulus. This assignment is determined by the object's retinal position, the ...

In this video, we explore the fascinating world of circular motion and how forces and momentum work when objects change direction. From roller coasters to planets in orbit, discover how centripetal ...

Classical Mechanics:** Newton’s second law (F = ma) explains the relationship between force, mass, and acceleration. The law ...

The controversial Harvard astronomer is one of the main sources of the "alien mothership" hypothesis. This is what he thinks, ...

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From frozen bonfires to quantum physics, why light still matters to our hopes, our science and our long Alaska winters.

Discover how the moon's gravity altered Chandrayaan-3's propulsion module orbit, creating a new trajectory in space ...

In the 2025 competition, Tortoise Protocol was runner-up for the Puzzlers’ Award, which is determined by attendees who vote ...

Through a recent notice, the Undergraduate Medical Education Board (UGMEB) of the National Medical Commission (NMC) has ...

FMCW lidar offers mobile robots better precision for navigation at scale in complex environments, says Voyant Photonics' CEO.

On Jan. 15, 2025, the Gaia spacecraft took its last image. Then the craft ran a final round of engineering tests, fired its ...

The original version of this story appeared in Quanta Magazine. Here’s a test for infants: Show them a glass of water on a desk. Hide it behind a wooden board. Now move the board toward the glass. If ...