The Big Think

July 26, 2008

Elemental

Filed under: Movies,Science — jasony @ 10:24 pm

The Periodic Table of Videos. Cool.

Bombs Away

Filed under: Hobbies,Humor and Fun,Mad Science — jasony @ 10:06 pm

A few days ago I picked up a copy of William Gurstelle’s The Art of the Catapult. I sat down a bit before dinner tonight just intending to read a few pages but ended up plowing through the entire book. It’s a fascinating and accessible short book (168 pages) written for a slightly younger market, but it still has a lot to inform an adult. Gurstelle’s nine chapters are each divided into two sections. The first part of each chapter has a historical overview of the time period of a specific type of catpult. He describes the development and use of basic catapults, ballistae, trebuchets, onagers, and other types of missile-tossers, complete with some rather harrowing descriptions of actual battles. One of the few books I’ve read that have made me want to learn more about history.

The second part of each chapter has a section that describes how to build a tabletop version of that specific catapult. Excellent! His instructions won’t really let you build anything of massive destructive power, but they will give you the basics (and a *cough* skilled woodworker might consider it childs-play to scale some of the designs up to a “lethal” size).

Reading this book has made me think about using the Hirst blocks to construct a medieval diorama of a castle siege complete with little catapults. Heh.

All in all, a great little book, especially since Half-Price Books is currently featuring it for around five bucks.

It’s Just a Game

Filed under: Movies — jasony @ 3:25 pm

Tron 2 (or TR2N) trailer.

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