News tagged with doppler shift

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