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Contemplating the mysteries of the fourth dimension is time well spent

Physics

Contemplating the mysteries of the fourth dimension is time well spent

From what it is and why it only goes one way to how we perceive its passage and whether we could live without it, a journey exploring the many outstanding questions about time is always worth taking

Leader

JILA?s three-dimensional (3-D) quantum gas atomic clock consists of a grid of light formed by three pairs of laser beams. A stack of two tables is used to configure optical components around a vacuum chamber. Shown here is the upper table, where lenses and other optics are mounted. A blue laser beam excites a cube-shaped cloud of strontium atoms located behind the round window in the middle of the table. Strontium atoms fluorescence strongly when excited with blue light.

Physics

Jun Ye interview: What use is the world's most accurate clock?

Features

Will time ever end? The answer lies in the death throes of the cosmos

Physics

Will time ever end? The answer lies in the death throes of the cosmos

Features

6 Will we ever unite physics? The infinite time is circulating in the universe, 3D illustration; Shutterstock ID 498879817; purchase_order: -; job: -; client: -; other: -

Physics

Will we ever unite physics? Clocks in superposition could offer clues

Features

Could we ever go back in time? Relativity does not rule it out

Physics

Could we ever go back in time? Relativity does not rule it out

Features

What is time? The mysterious essence of the fourth dimension

Physics

What is time? The mysterious essence of the fourth dimension

Features

Quantum boomerang

Physics

Physicists have made a quantum boomerang for the first time

News

DNA

Physics

Is life the result of the laws of entropy?

News

A stock image of crystals

Physics

A new kind of time crystal has been created and lasts 10 milliseconds

News

A chip from Google's Sycamore quantum computer

Technology

Quantum computers proved to have ‘quantum advantage’ on some tasks

Not only do quantum computers have the edge over classical computers on some tasks, but they are also exponentially faster, according to a new mathematical proof

News

Technology

Quantum computers could create completely new forms of matter

News

Physics

Why we can't always make sense of physics with words alone

Comment

Physics

Hot plasma mirror may help solve Stephen Hawking’s black hole paradox

News

Physics

Whirlpools made of light can be twisted into the shape of a doughnut

News