A shooter kills 2 at a Northern California library and an 18-year-old suspect has been arrested

A shooting at a library in Northern California left two people dead and an 18-year-old suspect has been arrested, police said ...
Smithsonian Magazine

The Supermarket Scanner Changed the Way We Buy Groceries Forever

A Spectra Physics Model A supermarket scanner—one of the first ten ever produced. A laser within the unit projects a beam onto a mirror that redirects it through the glass plate on the top. Cade ...
The New York Times

4 Easy Ways to Make Sure No One Can Read Your Text Messages

Still looking? See more results on Wirecutter. We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Max Eddy Max Eddy is a writer ...