Engadget If you give a mirror, what would you do with it? Like the stepladder of Snow White in the fairy tale, on the one hand, she is full of expectation to ask "mirror mirror, who is the most beautiful person in the world". On the one hand, there is already a dead and unchanged answer "Of course! In addition to the deity Who else will it be?" Recently, the team of Professor Julien Laurat of the University of Pierre and Marie Curie in France has developed the world's smallest mirror, but it is not for you to be stinking. This small mirror is an optical reflector consisting of 2000 helium atoms . Its diameter is only 400 nm , which is equivalent to two-hundredth of the diameter of the hair wire. Its reflectance is the same as that of the tens of millions of atoms of reflective material . However, since the distance between atoms needs to be controlled at half the wavelength of light, the distance is very limited, so only light of a particular color (wavelength) can be reflected. According to Popular Mechanics, the R&D team can use this small mirror to instantly capture light, which means creating an optical diode that can store and retrieve light pulses. Postdoctoral researcher Neil Corzo said that this result may be very important for the establishment of photonic circuits. With photonic circuits, the speed of the computer will be significantly improved. Via:engadget Extended reading: German KIT: The first light-quantity circuit for the current excitation light source Can Moore's Law continue? Carbon nano-transistors have been super silicon transistors The "post-silicon era" is coming soon? Great breakthrough in carbon nanotube preparation technology Pure Sine Wave,Single Phase Hybrid Inverter,3 Phase Hybrid Inverter,Split Phase Hybrid Inveter Easun Power Technology Corp Limited , https://www.easun-power.com