News tagged with general relativity

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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 (101) 83

Fine-tuning Stephen Hawking's theory of mass

(Phys.org) —If you want to know your body's mass, you hop on a scale and watch the needle swing. But if you want to know the mass of a region out in space, there's no cosmic equivalent—the best you can ...

Mar 18, 2014
4.4 / 5 (36) 9

Why Einstein will never be wrong

One of the benefits of being an astrophysicist is your weekly email from someone who claims to have "proven Einstein wrong". These either contain no mathematical equations and use phrases such as "it is obvious ...

Jan 14, 2014
4.6 / 5 (218) 690 | with audio podcast

Science shows why Doctor Who is so special

As Doctor Who's 50th anniversary looms, time travel is everywhere – on the screen, at least. Famously, the Doctor can whizz through the years using a "dimensionally transcendental" machine, the TARDIS, ...

Nov 21, 2013
4.9 / 5 (14) 41