physics

Einstein Is Right Again

Hartosh Singh Bal

New observations on a scale far beyond our solar system confirm Einstein’s theory of gravity and lend support to the existence of dark matter.

Fundamental Forces and Chopping Wood

Hartosh Singh Bal

From Newton to Einstein, understanding gravity has been the holy grail of physics. Professor T Padmanabhan of the Inter University Centre for Astronomy and Astrophysics, Pune, spoke to Open of the work for which he was awarded the 2009 Infosys Prize for the Physical Sciences.