vibrations

One of the problems with devices designed to make people essentially invisible to sharks is that eyesight isn’t the only tool they use to detect prey: They also use their sense of smell and their ability to detect vibrations in the water.

That wave was then “trapped” in the narrow fjord - moving back and forth for nine days, generating the vibrations.

“Right. And they’re super sensitive to vibrations and sounds,” Rogan offered.

The M4 is the largest deformable mirror ever made and will be able to change shape 1,000 times per second to correct for atmospheric turbulence and the vibrations of the telescope itself that could otherwise distort imagery.

The lander carried a seismometer, which recorded four years' of vibrations - Mars quakes - from deep inside the Red Planet.