Use precise geolocation data and actively scan device characteristics for identification. This is done to store and access information on a device and to provide personalised ads and content, ad and ...

A stunning blue and white spiral spotted in skies across Europe late Monday was created by frozen fuel tumbling from a SpaceX ...

We are fascinated by the hybrid rocket engine which [Ben Krasnow] built and tested in his shop. It is actually using a hollow cylinder of acrylic as the fuel, with gaseous oxygen as an oxidizer.

and even hybrid rocket engines are becoming passé. We’ve never seen a liquid-fuel rocket build before, so that’s what this roundup evolved into. First up is [Robert Watzlavick], who has been ...

A team from the Department of Energy's Oak Ridge National Laboratory, joined by university students, recently traveled to The ...

PARIS - A stunning blue and white spiral spotted in skies across Europe late on March 24 was created by frozen fuel tumbling from a SpaceX rocket, according to weather forecasters and scientists.

"The spiral shape happened because the tumbling rocket was spinning as it released the fuel." The swirl was created by the launch of SpaceX's NROL-69 mission. Exactly what it was carrying into ...