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Space.com

Massive space mirrors could be 40 times brighter than the full moon, astronomers warn. 'It will be worse than big cities like London'

Massive space mirrors could be 40 times brighter than the full moon, astronomers warn. 'It will be worse than big cities like London'WorldPing

Sun-reflecting space mirrors proposed by U.S. startup Reflect Orbital will have an even more devastating effect on the night sky around the world than previously thought, a study has found.

This is a short WorldPing brief. The full report was published by Space.com.

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Narrow ultrasonic beam enables stable 3D levitation six times farther than beforeWorldPing
Phys.org

Narrow ultrasonic beam enables stable 3D levitation six times farther than before

Scientists have developed a new acoustic levitation technique using an ultrasonic beam capable of levitating and moving small objects in midair over distances of up to 40 cm (16 inches), six times farther than previously achieved using conventional methods.

Brief by WorldPing · Original reporting by Phys.org

NASA Sets Spacewalk for Station Maintenance, Live Coverage PlannedWorldPing
NASA

NASA Sets Spacewalk for Station Maintenance, Live Coverage Planned

NASA will provide coverage as two astronauts step outside the International Space Station on Tuesday, Sept. 1, to replace a spacecraft navigational aid and complete several maintenance tasks in support of space station operations.

Brief by WorldPing · Original reporting by NASA