August 24: the eruption of Mount Vesuvius and destruction of Pompeii in A.D. 79.

They Drew Fire is a collection of paintings selected from the works of the World War II combat artists.

Humongous Tunnel Boring Machines.

Supercut of Improbable Weapons.

U.S. Senate Monorail - A Private Subway System for Senators Under Washington D.C. Since 1909

NASA Just Made All Its Research Free Online.

ICYMI, Tuesday's links are here, and include which bathroom stall you should choose if you want the cleanest one, how people call cats in different countries, making bread in the Middle Ages, the St. Bartholomew's Day Massacre, and how sunflowers track the sun across the sky.