ion

Scientists Made a ‘Fish’ From Human Cardiac Cells, And It Swims Like a Beating Heart

by

With its tail flipping rhythmically from side to side, this strange synthetic fish scoots around in its salt and glucose solution, using the same power as our beating hearts. This nifty miniaturized circulatory system, developed by scientists at Harvard and Emory universities, can keep swimming to the beat for more than 100 days.   The … Read more

Comet Leonard puts on a final, spectacular display with ion tail in solar wind

by

Comet Leonard is falling out of view, but not without putting on one last show. Discovered just a year ago, the comet, formally known as Comet C/2021 A1, made its closest approach to Earth on Dec. 12, marking the climax of a month full of prime observing opportunities. As the comet has continued on its … Read more

MIT Scientists Design a ‘Flying Saucer’ That Could Float Across The Moon

by

Researchers have imagined a lightweight, flying saucer-style rover that can float across the surface of the Moon and other airless planetary surfaces such as asteroids. The ‘flying saucer’ would be powered by the electric field that builds up due to direct exposure to the Sun and its surrounding plasma. In the absence of an atmosphere, this … Read more