Engineers at NASA’s Jet Propulsion Lab make a breakthrough in rotor technology - Ars Technica

1. Engineers at NASA’s Jet Propulsion Lab make a breakthrough in rotor technology  Ars Technica
2. NASA Pushes Next-Gen Mars Helicopter Rotor Blades Past Mach 1  NASA (.gov)
3. NASA's new generation of rotor blades, with supersonic tips, is set to equip the SkyFall project: a Martian helicopter designed to carry instruments and sensors in support of future human and robotic missions on Mars.  CPG Click Petróleo e Gás
4. NASA confirms Mars helicopters could survive Mach 1.08 to boost lift by 30 percent  Yahoo Tech
5. SkyFall helicopter for Mars breaks the sound barrier  Universe Space Tech

from Top stories - Google News https://ift.tt/SJds6Ye