検索キーワード： 歴史

The cassette tape was revolutionary. Cheap, portable, and reusable, this small plastic rectangle changed music history. Make your own tapes! Trade them with friends! Tape over the ones you don't like! The cassette tape upended pop culture, creating movements and uniting communities. This entertaining book charts the journey of the cassette from its invention in the early 1960s to its Walkman-led domination in the 1980s to decline at the birth of compact discs to resurgence among independent music makers.

Some of engineering's mightiest achievements are small in scale, even hidden—and yet, without them, the complex machinery on which our modern world runs would not exist. In Nuts and Bolts, Roma Agrawal examines seven of these extraordinary elements: the nail, the wheel, the spring, the lens, the magnet, the string, and the pump. From the physics behind both Roman nails and modern skyscrapers to rudimentary springs that inspired lithium batteries, Agrawal shows us how even the most sophisticated items are built on the foundations of these ancient and fundamental breakthroughs in engineering.

Der Sound der originalen Dampflokomotiven der DR - jetzt als Hörbuch . Obwohl die Dampflokomotive technisch überholt ist, findet sie bei Eisenbahnern und traditionsbewußten Eisenbahnfreunden nach wie vor ihre Bewunderer.