A recent study by researchers from Spain, Finland, and Canada uncovered the way in which ultrasonic waves transport ...

Electric sparks are used for welding, powering electronics, killing germs or for igniting the fuel in some car engines. Despite their usefulness, they are hard to control in open space, they split ...

Learn more about whether Chart Industries, Inc. or Standex International Corporation is a better investment based on AAII's A+ Investor grades, which compare both companies' key financial metrics.