Hypersonic aircraft are more realistic thanks to a ceramic coating

There are a few reasons why you aren't flying across the country in hypersonic aircraft, but the simplest of them is heat: when you travel at speeds over Mach 5, the ultra-high temperatures (around 3,600F to 5,400F) strip layers from metal. How do y...

Scientists prove it’s possible to build a DNA computer

Scientists at the University of Manchester, led by Professor Ross D. King, have created a new DNA-based computing device. If you think of DNA as being the code for generating life, then it's not hard to see it as capable of performing other tasks. Ju...

Alt-week 9.29.12: 3D pictures of the moon, 4D clocks and laser-controlled worms

Alt-week peels back the covers on some of the more curious sci-tech stories from the last seven days.

Altweek 92912 3D pictures of the moon, 4D clocks and lasercontrolled worms

Dimensions, they're like buses. You wait for ages, and then three come along at once. And then another one right after that. While that might be about where the analogy ends, this week sees us off to the moon, where we then leap from the third, right into the fourth. Once there, we'll learn how we could eventually be controlled by lasers, before getting up close and personal with a 300 million-year old bug. Sound like some sort of psychedelic dream? Better than that, this is alt-week.

Continue reading Alt-week 9.29.12: 3D pictures of the moon, 4D clocks and laser-controlled worms

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Alt-week 9.29.12: 3D pictures of the moon, 4D clocks and laser-controlled worms originally appeared on Engadget on Sat, 29 Sep 2012 18:00:00 EDT. Please see our terms for use of feeds.

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Radio astronomy pioneer Sir Bernard Lovell dies at 98

Radio astronomy pioneer Sir Bernard Lovell dies at 98

Astronomy just lost one of its vanguards, as Sir Bernard Lovell has died at 98. The UK-born scientist was best known as a cornerstone of radio telescope development. While he wasn't the first to leap into the field, he established the University of Manchester's Jodrell Bank Observatory to study cosmic rays in 1945 and organized the construction of what would ultimately be called the Lovell Telescope -- a radio telescope so large and useful that it's still the third-largest steerable example in the world, 55 years after it was first put into action. His work helped track some of the earliest spacecraft and was instrumental in confirming the first discovered pulsars and quasars. On top of his most conspicuous achievements, Sir Lovell played an important role in developing airborne radar during World War II and was lauded for having scientific curiosity long after he hung up his Jodrell director's hat in 1980. Science will be poorer without him.

[Image credit: NASA; thanks, Darren]

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Radio astronomy pioneer Sir Bernard Lovell dies at 98 originally appeared on Engadget on Tue, 07 Aug 2012 14:43:00 EDT. Please see our terms for use of feeds.

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Graphene heals itself, powers our dreams and nightmares

Graphene heals itself

Slowly, but surely graphene is pushing our technological hopes, dreams and, yes, nightmares towards reality. The stuff is capable of extending battery life, generating electricity, powering high-speed data connections and super computer-worthy CPUs. It's water proof, stretchy, bendy and apparently self healing. (This space reserved for T-1000 reference.) Researchers at the University of Manchester discovered that, if you put a hole in a sheet of graphene, it simply stitches itself back together. This is thanks to carbon's tendency to latch on to other atoms, including its own, which can make the futuristic material difficult to work with, but gives it this highly unique quality. Thankfully, we're no where near self-healing robots. But, the discovery could lead to a simple method for molding it into almost any shape. Once pierced, the form of the mend is determined by the type of molecules introduced -- pure carbon simply regrows the perfect honeycomb structure, while a few foreign atoms can lead to "defects." Of course, if they're intentional and predictable, defects merely become "features." For more check out the source link.

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Graphene heals itself, powers our dreams and nightmares originally appeared on Engadget on Tue, 10 Jul 2012 22:22:00 EDT. Please see our terms for use of feeds.

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