Bartha Tibor
More ideas from Bartha
Πολιορκία της Πόλης από τους Τούρκους

Istanbul june 2008 by Dick Osseman

Leonardo da Vinci Catapult Kit - NerdPlaythings.com | Toys and Gifts That Make Your Brain Smarter

Catapults were invented during the Ancient Greek and Roman ages, however our current idea of them is based on the drawings from the great Leonardo di Vinci. Bring Leonardo’s drawings to life. Build the catapult, load and launch small objects, and watch.

Illustration about everything wrong with society. “The world as we have created it is a process of our thinking. It cannot be changed without changing our thinking.” -Albert Einstein

Oh my Gosh this is so thought provoking! Illustration about everything wrong with society. “The world as we have created it is a process of our thinking. It cannot be changed without changing our thinking.

Ethnographic Arms & Armour - The oldest known handgun in existence, ca. 1400-10

Ethnographic Arms Armour - The oldest known handgun in existence, ca.