Hints of extra dimensions in gravitational waves?

Researchers from the Max Planck Institute for Gravitational Physics (Albert Einstein Institute/AEI) in Potsdam found that hidden dimensions – as predicted by string theory – could influence gravitational waves. In a recently ...

Stepping beyond our 3-D world

Since the dawn of time, humans have endeavoured to unravel the laws governing the physical world around us. Over centuries we have tried to discover a Theory of Everything.

Will we have to rewrite Einstein's theory of general relativity?

Einstein famously laboured hard to create the theory of general relativity, but it is less well known that he also helped to launch quantum mechanics, which he didn't much care for. These two views of the world are the very ...

SLAC theorist explains quantum gravity

Our world is ruled by four fundamental forces: the gravitational pull of massive objects, the electromagnetic interaction between electric charges, the strong nuclear interaction holding atomic nuclei together and the weak ...

The universe as we know it

Sitting in a small French bistro across from Pershing Square in downtown Los Angeles, Clifford Johnson held the pumpkin-hued drinking straw parallel to the table.

After 100 years, Einstein's theory stands test of time

Albert Einstein's general theory of relativity is about to celebrate its 100th anniversary, and his revolutionary hypothesis has withstood the test of time, despite numerous expert attempts to find flaws.

Harnessing the power of waste

What are you wearing right now? It's not a pickup line—it's a measure of your carbon footprint. If you're sporting any man-made fabrics, like polyester, Dacron or rayon, you're clothed in chemicals derived from nonrenewable ...

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