When you want to know if something is transparent to visible light or not, here is the mystery material and here is visible light.

而我们知道,物体是否对可见光透明，这里是神秘的材料，这里是可见光。

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It makes use of a completely different, highly manufacturable material for creating transparent, conductive films.

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That piece of material provided a transparent screen by which the apparatus could project everything from messages to photos to maps for the user.

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It is biodegradable, safe enough to be used as food packaging, can be processed like existing thermoplastics into coloured or transparent material and can be manufactured from renewable resources such as maize and sugarcane.

ECONOMIST: Synthetic biology