We have all noticed how the horn of a speeding car changes as it approaches: each wave-peak is emitted from a closer point, so the wave is “squeezed” and the pitch increases. As the car recedes, the ...

For the first time, scientists have experimentally shown a different version of the Doppler effect at a much, much smaller level -- the rotation of an individual molecule. Prior to this such an effect ...

This week India celebrated 70 years of independence. So what better way to mark the occasion than a music video? Step forward 20 or so scientists from the Indian Space Research Organisation (ISRO), ...