A touch screen rolls up by body heat

Sett 1,481 gånger

Mänsklig validering

8.0
Tack, din röst har registrerats och kommer att visas snart.
Ja
Nej
Lagt till i dina profilbokmärken.
Rapportera
Videobeskrivning

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.

Kategori Topp gratis onlinevideor taggade Teknik
Tillagd den 27 May 2016
Kommentarer
Relaterade videor
Taggar

Fun Things to do

Roligt

Tryckskärm

Vetenskap