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Thumbnail of Piezoelectricity - why hitting crystals makes electricity

Piezoelectricity - why hitting crystals makes electricity

Published 75 days ago in Science. Submitted by sux2bu

Certain crystals, like quartz will produce a voltage when hit. It's all to do with the arrangement of atoms and charge in the lattice. It's used in lots of things like piezo lighters, sensors, speakers and oscillators for timekeeping.

Thumbnail of Komodo Venom and its Effects: BBC Earth Unplugged

Komodo Venom and its Effects: BBC Earth Unplugged

Published 76 days ago in Animals. Submitted by sux2bu

The venom of a Komodo Dragon has interesting effects on human blood - the research could lead to new medicines.

Thumbnail of How condoms are made and tested

How condoms are made and tested

Published 78 days ago in Documentary. Submitted by sux2bu

“From simple cloth and oil paper,”
Understandable.
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Thumbnail of 6 Surprisingly Helpful Invasive Species

6 Surprisingly Helpful Invasive Species

Published 80 days ago in Nature. Submitted by sux2bu

Not all non-native species are totally terrible! Here are six of them can actually do more good than harm.

Thumbnail of Leas Lift, a water and gravity powered funicular railway in Folkestone

Leas Lift, a water and gravity powered funicular railway in Folkestone

Published 80 days ago in Vehicles. Submitted by sux2bu

Originally installed in 1885, in Folkestone, Kent, the Grade II Listed Leas Lift is a funicular railway which carries passengers between the seafront and the promenade. It is one of the oldest water lifts in the UK.
The lift operates using water and gravity and is controlled from a small cabin at the top of the cliff. It has carried more than 50 million people since it opened, in a process that is especially energy efficient. The lift has a very small carbon footprint, as it emits no pollution and recycles all of the water used to drive the cars.
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