庆祝阿达洛夫莱斯日!

By Traci Cothran I visited Greenfield Village last weekend – an outdoor historical museum in the Detroit area—and was amazed by the intricate Jacquard Loom, invented around 1800. It’s a weaving loom with a continuous loop of 622 punch cards that directed the intricate pattern to be woven into the cloth; the cards could be …阅读更多