Measuring Gravitational Waves at 10 to the Minus 19 Meters

The Laser Interferometer Gravitational-wave Observatory (LIGO) works by detecting tiny differences in the length of two laser beams. Just how tiny are these differences? About 10,000 times smaller than the diameter of an individual proton. At the World Science Festival's annual On the Shoulders of Giants address, LIGO pioneer Barry Barish put the detectors' extreme sensitivity into mind-blowing perspective.

Original program date: June 4, 2016

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[WesselHPieters]

I wonder if space has a temperature coefficient. If not why not?

[Realillcoastaztecs]

Quackademia always finding a way to measure something that doesn't exist. XD

[SEVENTBT]

remember this wave in moving the big earth so it can't be so big as I know so far from videos I watched unless I am wrong

[DorkusbordDX]

can we transfer perpetual energy into living things so they can live for ever?

[chumboobler]

they should be called gravitational strings. The strings have ripples but the strings are constant. That is why the gravitational constant works. Why they are ignoring this, I don't know.

[NikoGoran]

Could you possibly post even shorter vids, I mean 2 min vid is way to long for average science aficionado

[GreaterDeity]

Please tell me this video is a joke. This is how you measure G-waves, REALLY?!