Mass tourism threatening Venice lagoon, say ecologists

An Italian environmental group warned on Monday that mass tourism is slowly eroding the Venice lagoon, which it said is also threatened by major real estate development and an inadequate transport network.

Low speed wind tunnel gets new motor

A new motor has been installed in the Oran W. Nicks Low Speed Wind Tunnel, replacing a 900RPM, 1,000-horsepower synchronous motor from Allis-Chalmers that was surplused by the U.S. Navy back in World War II.

Solar plane takes off on last flight of US journey

The experimental Solar Impulse aircraft was bound Saturday for New York, where it was to fly over the Statue of Liberty on the final leg of a US tour aimed at showcasing the promise of clean energy.

New long-range undersea robot goes the distance

Over the past decade, the undersea robots known as autonomous underwater vehicles (AUVs) have become increasingly important in oceanographic research. Today's AUVs fall into two groups: 1) propeller-driven vehicles that can ...

Amoeba feast on backpacks

(Phys.org)—The amoeba Acanthamoeba cunningly traps motile bacteria, collecting them in a rucksack before devouring the whole backpack. This behaviour of the single-cell organisms is unique.

A CubeSat will test out water as a propulsion system

Novel propulsion systems for CubeSats have been on an innovative tear of late. UT has reported on propulsion systems that use everything from solid iodine to the Earth's own magnetic field as a way of moving a small spacecraft. ...

Europe okays design for next-generation rocket

The European Space Agency (ESA) on Tuesday said it had approved the final design for a next-generation rocket, Ariane 6, aimed at maintaining Europe's grip on the fast-changing market for satellite launches.

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