Thin polymer discs self-propel by repeated “snapping” motions. Credit: Yongjin Kim, UMass Amherst A polymer-based gel made by researchers in the US and inspired by the Venus flytrap plant can snap, jump and “reset” itself autonomously. The new self-propelled material might have applications in micron-sized robots and other devices that operate without batteries or motors.
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By Allison Kubo Hutchison Elevation map of the Jezero Crater, landing site of the Perseverance Rover. NASA/Tim Goudge Located on the Northwest side of Isidis Basin, Jezero Crater’s lay undisturbed except for dust storms and meteorite impacts for countless eons. Jezero Crater is an uneven half-circle where the Northeast side is worn away. There are
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WASHINGTON — A Northrop Grumman Antares rocket launched a Cygnus spacecraft carrying supplies and experiments for the International Space Station Feb. 20. The Antares 230+ rocket lifted off from the Mid-Atlantic Regional Spaceport at NASA’s Wallops Flight Facility in Virginia at 12:36 p.m. Eastern. The Cygnus spacecraft separated from the rocket’s upper stage nine minutes
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City workers and volunteers distribute bottled water at Delmar Stadium, in Houston, Texas, U.S., on Wednesday, Feb. 19, 2021. Bloomberg | Bloomberg | Getty Images President Joe Biden has approved a major disaster declaration for Texas as the state grapples with widespread power outages and water shortages amid freezing winter conditions, the Federal Emergency Management
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De La Soul are the stars of a new episode of the Cartoon Network show Teen Titans Go!. The legendary rap trio fights a tentacled monster who steals their music, attacking it with a bazooka that amplifies Trugoy’s voice to send out powerful sound waves. The band and superhero squad spend the rest of the
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Facebook has started blocking sensitive health information that third-party apps had been sharing with the social network in violation of its own rules, said New York officials who investigated the situation. Data fed into a Facebook analytics tool by app makers included medical diagnoses and whether users were pregnant, according to a report shared by
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Former President Donald Trump continues to rage at top Republicans who have criticized him, despite some advisors insisting he should take aim at President Joe Biden and Democratic leaders instead, according to people familiar with the matter. Sen. John Thune, the No. 2 Republican in the Senate, and longtime GOP political operative Karl Rove are
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