science

moonCarnival of Space 608

The Carnival of Space 608 is up at Everyday Spacer

newsUltrahigh Acceleration Neutral Particle Beam Driven Sails

James Benford presents his Ultrahigh Acceleration Neutral Particle Beam-Driven Sails at Space Access 2019. The Neutral Particle Beam-Driven Sails could enable an interstellar probe to alpha centauri that would be 1000 times larger and 60% of the speed of the …

energyAntimatter Catalyzed Fusion Propulsion Update

Positron Dynamics will use Krypton isotopes to generate positrons and catalyze fusion propulsion. #SpaceAccess2019

physicsUpdate on Microwave Beam-Heated Propulsion

Kevin Parkin described the history and status of microwave beam-heated propulsion at Space Access 2019. Technical summary is at Parkin Research. Kevin showed more pictures of the test systems. Kevin gave a previous update on beam propulsion in 2018 at …

newsQ Drive to Use Power of Solar Wind for Braking With Reaction Mass

Jeff's new idea is to take the energy from the passage through the plasma of space to use on the reaction mass that a spacecraft is carrying. This the Drag-powered reaction: Q-Drive. #SpaceAccess

astronomyNASA TESS Discovers Earth Sized Exoplanet

NASA’s Transiting Exoplanet Survey Satellite (TESS) has discovered its first Earth-size exoplanet. The exoplanet, HD 21749c, is about 89% Earth’s diameter.

medicineCold Plasma Kills 99.9% of Airborne Viruses

A nonthermal plasma reactor was able to inactivate or remove from the airstream 99.9% of a test virus, with the vast majority due to inactivation.