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Harvard-led researchers document quantum melting of Wigner crystals

“Study marks major step to creating a system to study quantum phase transitions In 1934, physicist Eugene Wigner made a theoretical prediction based on quantum mechanics that for decades years went unseen. The theory suggested how a metal that normally …

A long-lasting, stable solid-state lithium battery

“Researchers demonstrate a solution to a 40-year problem Long-lasting, quick-charging batteries are essential to the expansion of the electric vehicle market, but today’s lithium-ion batteries fall short of what’s needed — they’re too heavy, too expensive and take …

Bistable pop-up structures inspired by origami

“Next-generation inflatable buildings maintain their shape without constant input of pressure In 2016, an inflatable arch wreaked havoc at the Tour de France bicycle race when it deflated and collapsed on a cyclist, throwing him from his bike and delaying …

Astronomers Detect a Black Hole on the Move

“Scientists have long theorized that supermassive black holes can wander through space—but catching them in the act has proven difficult. Now, researchers at the Center for Astrophysics | Harvard & Smithsonian have identified the clearest case to date of a supermassive …

Scientists use trilayer graphene configuration to observe more robust superconductivity

“In 2018, the physics world was set ablaze with the discovery that when an ultrathin layer of carbon, called graphene, is stacked and twisted to a “magic angle,” that new double-layered structure converts into a superconductor, allowing electricity to flow …

Constructing termite turrets without a blueprint

“Following a series of studies on termite mound physiology and morphogenesis over the past decade, researchers at the Harvard John A. Paulson School of Engineering and Applied Sciences have now developed a mathematical model to help explain how termites construct …

Robotic swarm swims like a school of fish

“Fish-inspired robots coordinate movements without any outside control Schools of fish exhibit complex, synchronized behaviors that help them find food, migrate and evade predators. No one fish or team of fish coordinates these movements nor do fish communicate with each …

Einstein’s Theory of Relativity, Critical for GPS, Seen in Distant Stars

“What do Albert Einstein, the Global Positioning System (GPS), and a pair of stars 200,000 trillion miles from Earth have in common? The answer is an effect from Einstein’s General Theory of Relativity called the “gravitational redshift,” where …

Wool-like material can remember and change shape

“Material could be used in smart textiles, medical devices and more As anyone who has ever straightened their hair knows, water is the enemy. Hair painstakingly straightened by heat will bounce back into curls the minute it touches water. Why …

A one-way street for acoustic waves

“Device could improve quantum and classical communications If you can hear your neighbors through a shared wall, you better believe they can hear you too. This has nothing to do with your annunciation and everything to do with a fundamental …