Xem hoạt hình miễn phí A touch screen rolls up by body heat

(1.03 MB) được thêm vào 27 May 2016 371 số lần chơi Vui nhộn Khoa học Cảm ứng Fun Things to do
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A touch screen rolls up by body heat

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Mô tả ảnh động:

A touch screen rolls up by body heat, and when cooled again. Image: Germany, late 19th century, rectangular, orange-brown, probably colored printed gelatin (in earlier times such images from the swim bladder of the fish Hausen were produced), rolls up on the palm or the breathing on by the body heat, golden print.