Navigating the burgeoning cities of the early twentieth century would have been a very different experience without the electromechanical railway and elevator systems designed by Frank Sprague.
December 24, 2023 by Robert Keim
South Korean researchers claim to have synthesized the world’s first room-temperature, ambient-pressure superconductor. Is this one of the great discoveries of the 21st century or an overly-optimistic, premature announcement?
August 08, 2023 by Duane Benson