matter

  • Physicists Laser-Cool Antimatter to Near Absolute Zero

    Physicists Laser-Cool Antimatter to Near Absolute Zero

    For a little more than a week in July 2018, a team of physicists at CERN tried a new technique to slow down antimatter particles zipping around at breakneck speeds. Those 10 days of observation were the culmination of 10 years of development in an international collaboration called ALPHA, which oversaw the design and construction…