Active ball joint mechanism based on spherical gear meshings

High voltage water bridge

Fyodor Dostoevsky's manunoscript draft of The Brothers Karamazov

2000 year old Roman portraits found in a necropolis in Egypt

The "first selfie" was taken by Robert Cornelius, an amateur chemist who in 1839 having read about Louis Daguerre's Daguerrotypes made his own and took this photo making it the first known self portrait photo ever, he noscriptd it erroneously "The first light picture ever taken. 1839."

Poverty of Victorian England

Annie 7 & Nellie 9, sit by their home in spittalfields, London.

Here they sit, starving hungry.
So much for white privilege!

Born in 1832, Jonathan the Turtle is expected to turn 190 in 2022. This makes him the oldest known land animal alive today.

Guy transports a bees colony by carrying the queen in his fist; the rest of the bees crowd around where their queen is.

A Chechen fighter poses with her weapon in Grozny during the First Chechen War, May 1995

This device is used to measure lengths on maps. Simply roll it along streets you want to use and it tells you the distance.

The cheetah shows little aggression toward humans and can be tamed easily, as it has been since antiquity. In ancient Eygpt, the Middle East, and India Cheetahs were often kept as both pets and hunting animals, earning them the nickname "Hunting Leopards."

High-school students celebrating the official state-wide Graduation Day in the Red Square on Saturday, June 21, 1941. Germany would attack at 3:15 am the next morning.

A swarm of sea lions swam into the net and started eating all the fish