How a medieval Oxford friar used light and color to find out what stars and planets are made of

During the 1240s, Richard Fishacre, a Dominican friar at Oxford University, used his knowledge of light and color to show ...
Space.com

The Unistellar eQuinox 2 is our telescope experts' pick as the best overall smart telescope, and is now $700 off in this early Black Friday telescope deal

With almost 30% off this B&H Photo deal on the eQuinox 2 is even cheaper than Unistellar's own Black Friday sale.

I 'hacked' my home with 7 smart plug tricks - here's the setup (and why it works)

Smart plugs are a simple, affordable way to upgrade your home. Here are some clever ways I use them for automation.