Nasa's LAGEOS, launched in 1976 as a reflector-covered sphere, continues orbiting Earth and returning laser signals to ground ...
New analytical work shows how true energy gaps can arise in quasicrystals, answering a longstanding open question about these extraordinary materials.?
In 2005, the USS San Francisco slammed full speed into a massive mountain under the Pacific. How the stricken vessel narrowly ...
To capture a crisp image of a hummingbird in flight, which can flap its wings up to 200 times per second, a photographer ...