At University of Tokyo, the Naemura Group is developing a paper computing technology that lets users draw,edit and erase sketches on the paper by using computer. Here's how it works. The pen is filled with a thermo-sensitive ink, which disappears when heated at certain temperature. If you want to erase or edit your work, the computer uses a super-precise laser to heat the specific areas of your drawing that you get rid of.
The paper is coated in a light sensitive photochromic solution, which makes it change colour when exposed to UV light. Above the workstation, a UV projector can draw on the paper using targeted rays.
According to engineers, this technology can directly turn a paper into display. Until now, it has been possible to project things onto paper and use it as a screen, or import things drawn on the paper to a PC by using a digital pen. But the first method uses a light, so he results can be seen only in the dark. With the second method, even if you can import things, you can't access them on the paper from computer.
The paper is coated in a light sensitive photochromic solution, which makes it change colour when exposed to UV light. Above the workstation, a UV projector can draw on the paper using targeted rays.
According to engineers, this technology can directly turn a paper into display. Until now, it has been possible to project things onto paper and use it as a screen, or import things drawn on the paper to a PC by using a digital pen. But the first method uses a light, so he results can be seen only in the dark. With the second method, even if you can import things, you can't access them on the paper from computer.
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