Top 3 Inventions of All Time

A naval engineer’s failed attempt to stabilize sensitive ship equipment accidentally sends a spring tumbling down a shelf, sparking the creation of the Slinky, a simple misfire that bounces its way into becoming one of the most beloved toys of all time.

What do you do with superglue that instantly sticks to everything?

On October 29, 1969, Stanford programmer Bill Duvall sent a single-word message—"login"—to UCLA student programmer Charley Kline, 350 miles away. Transmitted between two computers that each filled an entire room, this message marked the first communication between networked computers and is widely regarded as the birth of the internet.

Grace Hopper, pioneer of computer science, lived in Virginia later in life and is buried at Arlington National Cemetery.