News tagged with doppler shift

Measuring NIF's enormous shocks

NIF experiments generate enormous pressures—many millions of atmospheres—in a short time: just a few billionths of a second. When a pressure source of this type is applied to any material, the pressure ...

dateNov 24, 2014 in General Physics
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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. ...

dateMay 17, 2012 in Other
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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 ...

dateSep 10, 2010 in Plants & Animals
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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. ...

dateAug 03, 2010 in General Physics
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