Scientists have made an exciting breakthrough in materials science, discovering a way to turn a metal into an insulator. This discovery could have a huge impact on future technology, allowing us to build devices that use far less energy than current ones. With this new technique, electrons can be confined to a two-dimensional material and then switched between a metal and an insulator state. The breakthrough was made by a team of scientists from the University of Chicago, who used a combination of laser light and an electric field to control the behavior of electrons in the material. The result is a material that can be switched between a metal and an insulator state, allowing us to control the flow of electricity with unprecedented accuracy. This could lead to more efficient electronic devices with less heat waste, as well as a wide range of other applications.

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source: Phys.org