漢德百科全書 | 汉德百科全书
History
Aerospace
Starship und Super Heavy
Aufbau Höhe 119 m Durchmesser 9 m Startmasse ca. 5000 t Stufen 2 Stufen 1. Stufe Super Heavy Typ Booster Höhe 69 m Triebwerk 33× Raptor Treibstoff flüssiges Methan, Flüssigsauerstoff Treibstoffmasse 3400 t 2. Stufe Starship Typ Raumfahrzeug Höhe 50 m Triebwerk 3× Raptor 3× (später 6×) Raptor Vacuum Starship (vormals BFR) ist ein Großraketenprojekt des US-amerikanischen Raumfahrtunternehmens SpaceX.
Eat and Drink
The Operator for the Teeth
This is a revised and updated version of Charles Allen's 1685 book on dentistry. It includes dental diagrams and a photograph of dentistry tools of the 17c. Explanations of old medical terms have been added, but most of the text is as Charles Allen wrote the book.
Life and Style
IT-Times
This 56k modem was the creme-de-la-crem back in 1995-1999 before broadband took off. I think ISDN modems (giving a massive 128k baud) were also available.
