Particles can act like clumps of matter or ripple through space like waves, and they can even exist in two places at once. A new device harnesses this strange quantum behavior to measure Earth ’ s gravity. Slight changes in gravity from place to place reveal changes in the density of material beneath the sensor. This allows the instrument to detect underground objects.
PTELook at the text below. In 35 seconds, you must read this text aloud as naturally and clearly as possible. You have 35 seconds to read aloud.
Recorded Answer
Current status:
Beginning in 35 seconds.