In an engaging conversation William D. Phillips and Rainer Blatt shared their reflections on recent changes to the definitions of the SI units, and debate whether a truly timeless definition of time will ever be achieved.
They may not be tech billionaires or household names, but these Nobel Prize-awarded scientists made breakthroughs that underpin the digital devices connecting us all during the Covid-19 pandemic.
Our Lighthouse in the Universe: How Scientists Are Using Pulsars as a Celestial GPS
Pulsars are fast-spinning neutron stars or white dwarfs whose radio emission appears to be blinking on and off - and they might be used to navigate space.