Tagged: weapon

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...

Lars Andersen: a new level of archery

A brief history of archery Archery is one of the oldest arts still practised. This history will not only take you through a journey on the evolution of archery, but also through the history...