News tagged with universe

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Cosmology in the lab using laser-cooled ions

Scientists would love to know which forces created our universe some 14 billion years ago. How could – due to a breaking of symmetry – matter, and thus stars and galaxies, be created from an originally ...

Aug 12, 2013
4.5 / 5 (6) 0 | with audio podcast

Is the universe a stable quantum system?

According to legend, when Damocles declared that his king, Dionysius, must have a posh and easy life, Dionysius offered to trade places with Damocles. There was only one catch. Dionysius decreed that a sword ...

Sep 10, 2014
4.3 / 5 (67) 31

What is Nothing?

Is there any place in the Universe where there's truly nothing? Consider the gaps between stars and galaxies? Or the gaps between atoms? What are the properties of nothing?

Aug 22, 2014
4.2 / 5 (66) 161

How much of the universe is black holes?

We all fear black holes, but how many of them are there out there, really? Between the stellar mass black holes and the supermassive ones, just how much of our Universe is black holes?

Jun 17, 2014
3.6 / 5 (34) 22

Where is Earth located in the galaxy?

You've probably heard the saying "everything's relative". When you consider our place in the Universe, everything really is relative. I'm recording this halfway up Vancouver Island, in the Pacific Ocean, ...

Feb 18, 2014
3.5 / 5 (46) 12

Alan Guth on new insights into the 'Big Bang'

Earlier this week, scientists announced that a telescope observing faint echoes of the so-called "Big Bang" had found evidence of the universe's nearly instantaneous expansion from a mere dot into a dense ...

Mar 20, 2014
3.8 / 5 (100) 83