The World’s Heaviest Door
Our ancestors have wondered for many years until finding a natural shelter which came in the form of a cave for millions of years....
Category: History
Leonardo Da Vinci self supporting Bridge
Leonardo da Vinci’s Ingenious Design for a Self-Supporting Bridge Da Vinci’s design serving as the support structure for this footbridge in Morsø in northern...
A large pumpkin impaled on top of a tower
On October 8, 1997, Cornell’s campus experienced an unusual sight: a large pumpkin impaled atop McGraw Tower. Almost 25 years ago, someone impaled a...
Rosie the Riveter
Rosie the Riveter was an allegorical cultural icon of World War II, representing the women who worked in factories and shipyards during World War...
Amazing time-travel pictures combine past and present
These moving images match photographs of locations in the present day with the ghosts of the momentous historical events that happened there. Created by...
ROC Monitoring Post
Bunkers in UK Royal Observer Corps Monitoring Posts are underground structures all over the United Kingdom, constructed as a result of the Corps’ nuclear...
Concorde flying at supersonic speed
Concorde Flying Supersonic MACH 2 This is a dramatic picture of Concorde G-BOAG flying at supersonic speed and is the only picture ever taken...
Life Before The Invention of CAD Software
For centuries, until the 1970s, all engineering drawing was done manually by using pencil and pen on paper or other substrate (e.g., vellum, mylar)....
Non-explosive Booby Traps
Some of the traps that where used in the Vietnam War by the Vietnamese. A booby trap is a device or setup that is...
