The "Hidden" Pair Is Called Metamaterial Design Opens up New Ways

Duality refers to the correspondence between apparently different theories that lead to the same physical result.…


Apple Watch Series 7 officially abandoned the hidden diagnostic port

Since the launch of the first Apple Watch, its diagnostic porthas always been a mysterious part of the wearable device series, but the new 7 series has officially abandoned the 6-pin port completely. MacRumors first noticed that when you rem…


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The electronic structures of CuO

Though the origin of deep-level emission in CuO is under debate, and little information is available on the CuO defect structure, the deep emissions are generally supposed to relate to defects in CuO nanomaterial. CuO is intrinsically a p-type semico...…

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