News tagged with frequency

Watching the heart beat of molecules

A team of scientists around Prof. Theodor W. Hänsch and Dr. Nathalie Picqué at the Laser Spectroscopy Division of the Max Planck Institute of Quantum Optics (Garching), in a collaboration with the Ludwig-Maximilians-Universität ...

Oct 17, 2013 5 / 5 (6) 0 | with audio podcast

Measuring height by connecting clocks

How far above sea level is a place located? And where exactly is "sea level"? It is one objective of the geodesists to answer these questions with 1 cm accuracy. Conventional measurement procedures or GPS ...

Oct 02, 2013 5 / 5 (4) 0

Large moths need to hear better

Bats orient themselves through echolocation, and they find their prey by emitting calls and then process the echoes reflected back to them from the prey. Small insects reflect small echo signals, and large ...

Aug 19, 2013 5 / 5 (2) 0 | with audio podcast