Brian's Science and Technology
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Scooped by Brian Haddock
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How to build primitive weapons and tools from natural bone, rocks, shells, antlers, or animal teeth

Man has been working rocks, stone, and bone into tools, utensils, and weapons for millions of years. Given its abundance in nature, rocks and bone are perfect materials for making tools and weapons in an emergency wilderness survival situation. http://wildernessarena.com/supplies/tools/how-to-build-primitive-weapons-and-tools-from-natural-bone-rocks-shells-antlers-or-animal-teeth
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How to build a Trebuchet (Catapult)

How to build a Trebuchet (Catapult) | Brian's Science and Technology | Scoop.it
A Trebuchet (pronounced treb-oo-shay)  is a medieval siege engine that transfers gravitational energy into kinetic energy – similar to a playground see-saw.  In ancient times, it was used to launch (throw) projectiles including boulders, dead horses, and diseased bodies into or over castle walls ... http://wildernessarena.com/supplies/weapons/how-to-build-a-trebuchet-catapult-offense-defense
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