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Rockets, evaporating droplets and X-raying metals

Years of preparation, and the finale is over in six minutes. This month a sounding rocket will launch two ESA experiments to an altitude of 260 km to provide six minutes of weightlessness as they free-fall back to Earth.

Rockets for education

Why rockets are so captivating is not exactly rocket science. Watching a chunk of metal defy the forces of gravity satisfies many a human's wish to soar through the air and into space.

Trap-and-release accelerates study of swimming ciliated cells

Researchers at Washington University in St. Louis have been studying cilia for years to determine how their dysfunction leads to infertility and other conditions associated with cilia-related diseases. Now, they will be able ...

Sandia launches a bus into space

Sandia National Laboratories recently launched a bus into space. Not the kind with wheels that go round and round, but the kind of device that links electronic devices (a USB cable, short for "universal serial bus," is one ...

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Sound

Sound is a travelling wave which is an oscillation of pressure transmitted through a solid, liquid, or gas, composed of frequencies within the range of hearing and of a level sufficiently strong to be heard, or the sensation stimulated in organs of hearing by such vibrations.

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