第二次世界大戦中にドイツ軍が運用し、現代でも暗号機が2200万円でオークションに出品されたり、シミュレーターが作られたりと高い人気を誇る暗号機が「エニグマ」です。そんなエニグマの仕組みをコピー用紙1枚で体験できる「Paper Enigma Machine」を使って ...

The Paper Enigma Machine looks like this. You can use it just by printing it from the distribution page. The upper left part is the area where Paper Enigma Machine encrypts and decrypts. There is a ...

Computing used to run on punch cards. Great stacks of cards would run middling programs, with data output onto more punched cards in turn. [Nii] has built a machine in this vein, capable of punching ...

Although [Simon Boak] had no use for an automatic paper tape punch, this was one of those intrusive project thoughts that had to be put to rest. With not a lot of DIY projects to look at, the first ...

The machine will produce approximately 120,000 metric tons annually of 100 percent-recycled kraft paper. White Birch Paper's new paper machine will produce approximately 120,000 metric tons annually ...