News tagged with doppler shift

Kepler 78b exoplanet is Earth-like in mass and size

In August, MIT researchers identified an exoplanet with an extremely brief orbital period: The team found that Kepler 78b, a small, intensely hot planet 700 light-years from Earth, circles its star in just ...

Oct 30, 2013
4.9 / 5 (16) 4 | with audio podcast

Bluetooth baby

Checking the heart of the unborn baby usually involves a stethoscope. However, an inexpensive and accurate Bluetooth fetal heart rate monitoring system has now been developed by researchers in India for long-term home care. ...

May 17, 2012
5 / 5 (2) 0

Blue whales have perfect pitch

Blue whales have the remarkable ability to synchronize the pitch of their songs so that they all hit the exact same note, according to a new study. Professor of Physics Roger Bland recorded thousands of whale ...

Sep 10, 2010
5 / 5 (2) 1

Explained: the Doppler effect (w/ Video)

Many students learn about the Doppler effect in physics class, typically as part of a discussion of why the pitch of a siren is higher as an ambulance approaches and then lower as the ambulance passes by. ...

Aug 03, 2010
3.4 / 5 (24) 21 | with audio podcast

Scientists record yoctonewton forces

(PhysOrg.com) -- Scientists in Australia and the US have discovered that trapped ions are "exquisitely sensitive" force detectors, and have used them to record the tiniest forces ever measured.

Apr 14, 2010 weblog
4.7 / 5 (11) 1 | with audio podcast
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