On This Day – Sep 20 : James Dewar was born

Image

His work blurred the line between chemistry and physics. Dewar’s achievements include designing an insulating double-walled flask with a vacuum between two silvered layers of steel or glass – the technology that led to the modern domestic Thermos flask.

Make your lessons pop

Choose an account option to continue exploring our full range of articles and teaching resources

Free

Free access for everyone, everywhere. If you only need a few resources, start here.


What's included

  • One free teaching resource each month
  • Five free Education in Chemistry articles each month
  • Personalised email alerts and bookmarks