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MIT can shrink 3D objects down to nanoscale versions



The science approach begins by creating a scaffold made of polyacrylate, an absorbent material found in diapers. They then suck the structure into a solution of fluorescein molecules that attach to the scaffold when exposed to light. Creators can use lasers to place the most particles wherever they want, whether it's genetic material or metal nanoparticles. In order to shrink the structure down after that point, the layer introduces an acid that blocks negative costs in polyacrylate and forced to shrink.

There are limits to existing technology. The solution of the final product correlates directly with the size. An object of 1

cubic millimeter can have a resolution of 50 nanometers, but you must blow it up to 1 cubic centimeter to achieve a resolution of 500 nanometers.

However, the potential is large. The researchers suspect that this could initially be used to create specialized science, microscopic and even smartphone optics, but it can be very useful for nanosubjects in robots. The main challenge at this point is scale. While the necessary equipment is readily available in laboratories, it may be another matter to mass-produce nanoscale parts.


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