Making a supersonic Nerf gun
I did a thing made a supersonic nerf gun that also shoots tampons. How to put your engineer studies into practice…
Tagged: weapon
1000rpm spinning belt of knives
colinfurze invented the perfect weapon to keep your personal space safe.. 8 knifes, 1 belt…
Harnessing black holes for energy
The reasons why black holes are such powerful energy sources Not that it’s possible yet anyway, but there’s lots of reasons why visiting a black hole is a very bad idea, and your chances of survival...
The sharpest Jell-O kitchen knife
Gelatin is a mixture of peptides and proteins produced by partial hydrolysis of collagen extracted from the skin, bones, and connective tissues of animals such as domesticated cattle, chicken, pigs, and fish. During hydrolysis,...
A day in the life of a Roman soldier
The year is 15 CE, and the Roman Empire is prospering. Most of the credit will go to the emperor, but this success wouldn’t have been possible without loyal soldiers like Servius Felix. Robert...
Knife made of aluminum foil
The Japanese traditionally used natural sharpening stones lubricated with water (using oil on a waterstone reduces its effectiveness.) They have been doing this for many hundreds of years. The geology of Japan provided a...
Unified Weapons Master
A revolutionary, new combat sport and entertainment experience, Unified Weapons Master® combines cutting-edge technology with traditional martials arts weapons to allow real, weapons-based combat in a dynamic and highly entertaining format.
Lars Andersen: turning arrows
Arrows fly directions can be changed in the air. It is one of the funniest things to do in archery. It’s actually quite easy, all experienced archers should easily be able to learn this....
How an AK-47 works
Russian inventor Mikhail Kalashnikov created one of the most popular guns in history, the AK-47. This automatic rifle first debuted in 1947 and is still being made today. Synopsis Born in 1919, Mikhail...
Making an AR-15 from soda cans
The Colt AR-15 was introduced in 1964. It is a semi-automatic version of the United States military M16 rifle. The first version was the Colt AR-15 Sporter, in .223 Remington, with a 20 inch...