News tagged with relativity theory

Seeking proof for the no-hair theorem

According to general relativity, a black hole has three measurable properties: mass, rotation (angular momentum), and charge. That's it. If you know those three things, you know all there is to know about ...

Sep 09, 2014
4.1 / 5 (29) 15

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

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 (213) 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

Yale scientist sheds fresh light on Einstein

Albert Einstein's celebrated genius may be underappreciated, according to a new book by Yale physicist A. Douglas Stone: The father of relativity theory deserves far more credit than he gets for his insights ...

Oct 02, 2013
4.5 / 5 (29) 9

Quantum steps towards the Big Bang

(Phys.org) —Present-day physics cannot describe what happened in the Big Bang. Quantum theory and the theory of relativity fail in this almost infinitely dense and hot primal state of the universe. Only ...

Sep 03, 2013
4.4 / 5 (75) 109 | with audio podcast