The technology underground is a thriving, humming, and often literally scintillating subculture of amateur inventors and scientific envelope-pushers who dream up, design, and build machines that who……続きを見る
Written for reasonable risk takers and suburban dads who want to add more excitement to their lives, this daring combination of science, history, and DIY projects explains why danger is good for you……続きを見る
A man’s home is his castle, or so the saying goes, but could it withstand an attack by Attila and the Huns, Ragnar and the Vikings, Alexander and the Greeks, Genghis Khan and the Mongols, or Tamerla……続きを見る
From the author of Backyard Ballistics comes this new DIY handbook on building cannons and other fun things that shoot, from wiffle ball launchers and beverage bottle bazookas to super-powered water……続きを見る
This vintage book contains a detailed treatise on making cider and wine, with details of experiments in cider making applicable to farm conditions and notes on the use of pure yeasts in wine making.……続きを見る
In this revised and expanded edition, William Gurstelle shows ordinary folks how to build a dozen fun and impressively powerful launchers with inexpensive household and hardware store materials. Thi……続きを見る
"The greatest puzzle in modern physics." -Int'l Med. & Surg. Survey
In 1921 Nobel Prize winning physicist Sir William Henry Bragg published the short pamphlet "Electrons and Ether Waves." This paper……続きを見る
This bestselling DIY handbook now features new and expanded projects, enabling ordinary folks to construct 16 awesome ballistic devices in their garage or basement workshops using inexpensive househ……続きを見る
Combining science, history, and DIY pyrotechnics, this book for the workbench warrior explains humankind’s most useful and paradoxical tool: fire. William Gurstelle, author of the bestselling Backya……続きを見る
A renowned philosopher’s final work, illuminating how the logical empiricist tradition has failed to appreciate the role of actual experiments in forming its philosophy of science.
The logical empir……続きを見る
You don’t know that much about physics. You don’t understand everything about gravity, magnetism, electricity or light, but you are curious and want to know more about these fields. This book helps ……続きを見る
října 1943. Druhá světová válka je v plném proudu. Mezitím to byly 2 roky, co se Spojené státy zapojily do této války. Mezi americkými torpédoborci a slavnými ponorkami nacistů probíhá obrovská vodn……続きを見る
Oktober 1943. De Tweede Wereldoorlog is in volle gang. Inmiddels is het 2 jaar geleden dat de Verenigde Staten zich in deze oorlog mengden. Er is een enorme waterslag gaande tussen de Amerikaanse to……続きを見る
Oktober 1943. Der Zweite Weltkrieg ist in vollem Gange. Inzwischen ist es 2 Jahre her, dass sich die Vereinigten Staaten in diesen Krieg einmischten. Zwischen den amerikanischen Zerstörern und den b……続きを見る
Ottobre 1943. La seconda guerra mondiale è in pieno svolgimento. Nel frattempo, sono passati 2 anni da quando gli Stati Uniti sono stati coinvolti in questa guerra. È in corso un'enorme battaglia d'……続きを見る
Oktober 1943. Perang Dunia II sedang berlangsung. Sementara itu, sudah 2 tahun sejak Amerika Serikat terlibat dalam perang ini. Pertempuran air besar sedang terjadi antara kapal perusak Amerika dan ……続きを見る
Octubre de 1943. La Segunda Guerra Mundial está en pleno apogeo. Mientras tanto, han pasado 2 años desde que Estados Unidos se involucró en esta guerra. Se está librando una gran batalla acuática en……続きを見る
October 1943. World War II is in full swing. In the meantime, it has been 2 years since the United States got involved in this war. A huge water battle is going on between the American destroyers an……続きを見る
Ekim 1943. İkinci Dünya Savaşı tüm hızıyla devam ediyor. Bu arada Amerika Birleşik Devletleri'nin bu savaşa dahil olmasının üzerinden 2 yıl geçti. Amerikan muhripleri ile Nazilerin ünlü denizaltılar……続きを見る
Outubro de 1943. A Segunda Guerra Mundial está em pleno andamento. Nesse ínterim, já se passaram 2 anos desde que os Estados Unidos se envolveram nesta guerra. Uma enorme batalha na água está aconte……続きを見る
