非常感谢来自 nendo 对gooood的分享。更多关于他们请至：nendo on gooood。
Appreciation towards nendo for providing the following description:

这款手电筒运用了AgIC的技术，可通过银粒子墨水将电路板打印在纸张、胶片或者布料上。在测试了各种类型的纸张之后，设计师选用了Takeo生产的YUPO选票用纸。YUPO纸的光滑表面保证了墨水的流畅扩散，并使纸张能够在受力最小的情况下被卷成圆筒形，同时不容易发生形变。这款纸十分耐磨，且具有防水性，因此同样适用于工业制品。

Flashlights that have been designed using the technology of AgIC, that prints electronic circuit boards onto paper, films and cloth using silver particle ink. After testing various types of paper, we selected YUPO paper by Takeo that is used in ballot paper for elections. With YUPO paper, ink sits evenly and the smooth surface ensures the ink and paper can be rounded with minimal force, and are less likely to curl. The paper is also hard-wearing, water resistant and therefore also suitable for industrial applications.

▼电路板被打印在纸上，electronic circuit boards are printed onto paper

纸张两面的电路以方格的形式被打印出来，两个按钮和七个LED灯由导电胶粘贴在纸上。根据不同的卷曲力度，LED灯的电路路径长度会发生变化，从而改变电阻，调节光的亮度。电路路径越长，电阻就越大，反之亦然。因此当卷纸的力度较轻时，灯光就比较暗，卷得较紧时，灯光则变亮。此外，基于LED灯在接触纸张时会改变颜色的特性，当LED灯所在的一面朝上时，手电筒会发出温暖的橙色灯光，而向反面卷曲的话，则会发出白色灯光。这样一来，使用者就可以享受到两种色温的灯光。

The circuits on both sides of the paper were printed with a checker pattern, and two button cells and seven LEDs were glued on with conductive adhesive. The resistance was changed by varying the path length of each LED by adjusting how tight you roll the paper, enabling the lighting to be controlled. The longer the path the higher the resistance, conversely the shorter the path the lower the resistance. Therefore, light becomes dimmer when paper is rolled loosely, and brighter when tightly rolled. Furthermore, due to the characteristic that the LEDs change color while touching paper, when the paper is wrapped with the surface adhered to the LED facing upwards, the light turns into a warm orange colour and when the paper is rolled inside out, the light turns into a white colour. In this way users can enjoy two types of colour temperature.

▼卷曲力度决定了光的明暗程度，the lighting can be controlled by adjusting how tight you roll the paper

此外，借助一个带有圆环的支架，它还可以作为简易的台灯使用。在未来，纸手电筒还将可能运用于应急或灾难预防。

Furthermore, when pushed through a stand with rings attached to the end, it can also be used as a simple desk lamp. Many different applications are possible in the future such as emergency use and disaster prevention.

▼多种用途，multiple uses

More： nendo，更多关于他们请至：nendo on gooood

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