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MIT physicists have found a new way to switch superconductivity on and off in magic-angle graphene. This figure shows a device with two graphene layers in the middle (in dark gray and in inset). The graphene layers are sandwiched in between boron nitride layers (in blue and purple). The angle and alignment of each layer enables the researchers to turn superconductivity on and off in graphene with a short electric pulse. (Source: Pablo Jarillo-Herrero, Dahlia Klein, Li-Qiao Xia, and David MacNeill, et. al)
Superconducting Electronics

Superconductivity Switches On and Off in “Magic-Angle” Graphene

With some careful twisting and stacking, MIT physicists have revealed a new and exotic property in “magic-angle” graphene: superconductivity that can be turned on and off with an electric pulse, much like a light switch. The discovery could lead to ultrafast, energy-efficient superconducting transistors for neuromorphic devices — electronics designed to operate in a way similar to the rapid on/off firing of neurons in the human brain.

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Pearl oysters are important products in Japan, as they produce pearls that are sought after for necklaces, earrings, and rings. (Source: K. Mijimoto, Pearl Research Institute)
Genome Sequencing

Genetic Code Behind Beautiful Pearls Revealed

In the last 20 years, a combination of different factors, such as disease, has seen production of akoya pearl drop from around 70,000 kg/year to just 20,000 kg/year. To find out more about their underlying genetics and with the hopes of discovering resilient strains, researchers have constructed a high-quality, chromosome-scale genome of a pearl oyster.

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