Army pushes for higher speeds in future tiltrotor aircraft

The U.S. Army is developing a new wind-tunnel testbed that will help future tiltrotor aircraft attain higher speeds, improved stability and enhanced safety.

* This article was originally published here

With head injuries mounting, will cities put their feet down over electric scooters?

Almost half of the injured Austin scooter riders identified by the Centers for Disease Control and Prevention in its first-ever study of dockless electric scooters suffered a head injury, with 15% experiencing a traumatic brain injury.

* This article was originally published here

Researchers propose air conditioners as climate-change remedy

Scientists have an idea that could make you feel more like a green citizen than hedonist if you buy an air conditioner for your living quarters. There is a way that could use the units to fight climate change. OK, let us review the question posed by a Fast Company: What if every air conditioner was stopping climate change as it kept you cool?"

* This article was originally published here

Hubble spots a stunning spiral galaxy

Few of the universe's residents are as iconic as the spiral galaxy. These limelight-hogging celestial objects combine whirling, pinwheeling arms with scatterings of sparkling stars, glowing bursts of gas, and dark, weaving lanes of cosmic dust, creating truly awesome scenes—especially when viewed through a telescope such as the NASA/ESA Hubble Space Telescope. In fact, this image from Hubble frames a perfect spiral specimen: the stunning NGC 2903.

* This article was originally published here