A massive cloud of space junk—containing more than 23,000 pieces larger than 10 cm across—is currently zooming around Earth with an average speed of about 36,000 km per hour. And as companies such as SpaceX and OneWeb plan to launch tens of thousands of new satellites over the next few years, this hazardous clutter will
It was the second day of a 3-day-long tech demonstration at the David Taylor Model Basin at the Naval Surface Warfare Center in Bethesda, MD, where attendees had gathered to stand around in the dark to look at something they mostly couldn”t see. It was a long-range, free-space power beaming system—the first of its kind.
WASHINGTON. Researchers at the U.S. Naval Research Laboratory (NRL) developed a new technique that could enable future advancements in quantum technology.The technique squeezes quantum dots, tiny particles made of thousands of atoms, to emit single photons (individual particles of light) with precisely the same wavelength and with positions that can be less than a millionth