Tag: visible
Weird ‘Time Crystals’ Are Made Visible at Last
Weird ‘Time Crystals’ Are Made Visible at Last Time crystals, a state of matter once thought physically impossible, could soon be on a banknote By Elizabeth Gibney & Nature magazine A time crystal as seen under a microscope. A time crystal is a form of matter that shows continuous, repeating patterns over time, much like…
Southwest Airlines will require passengers to keep chargers visible due to fire risk
By Joe Hernandez Passengers flying on Southwest Airlines will soon be required to keep battery packs and other portable charging devices visible if they’re using them during a flight. The airline announced in an emailed statement on Wednesday that this “first-in-industry” policy will take effect on May 28. It is intended as a safety measure…
A Valentine’s Day aurora may be visible in the skies of the northern U.S.
By Chandelis Duster Some Americans may get a special treat during the Valentine’s Day weekend if the northern lights illuminate the night sky with a hint of romance. While it’s possible this could happen, space weather scientists warn the chances are slim. The northern lights, also known as aurora borealis, may be visible across parts of North…