propulsion

Solar Sails

NASA-Funded Solar Sail Uses Metamaterials to Generate More Power

The Advanced Diffractive MetaFilm Sailcraft could squeeze more energy out of light than traditional reflective sails.
Becky Ferreira
7.18.18
propulsion

Scientists Successfully Test an Air-Breathing Satellite Thruster

How to make atmospheric drag work for satellites, instead of against them.
Becky Ferreira
3.7.18
Quiet Wars

China Is Testing Silent ‘Magnetic Drive’ Submarines to Evade the US Navy

The less noise a sub makes, the harder it is to detect on sonar.
David Axe
11.3.17
Dear Future

Theoretical Physicists Are Getting Closer to Explaining How NASA’s ‘Impossible’ EmDrive Works

The EmDrive propulsion system might be able to take us to the stars, but first it must be reconciled with the laws of physics.
Giulio Prisco
10.31.17
nasa

The Fact and Fiction of the NASA EmDrive Paper Leak

Mach effect pioneer James Woodward breaks down the significance of a leaked paper detailing the successful test run of NASA’s 'impossible engine.'
Daniel Oberhaus
11.14.16
nasa

That Physicist in Omaha Is Still Working on a Warp Drive in His Garage

And he's filed for a patent.
Doug Bierend
7.20.15
materials

Engineers Stumble on a Whole New Method of Laser-Based Spacecraft Propulsion

Are graphene light-sponges the new solar sails?
Michael Byrne
6.17.15
nasa

NASA's Chief Technologist Says We're 'Halfway' to Getting Humans on Mars

It's going to take a lot of tech to get humans on the Red Planet.
Victoria Turk
11.21.14
nasa

A Brief, Depressing History of Solar Sails

NASA says it just wasted $21 million on what was to be the largest solar sail ever.
Jason Koebler
10.20.14