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+11 +2
Record-smashing atomic clock is the most accurate ever
It wouldn't gain or lose a single second in 15 billion years.
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+20 +3
Clockmaker John Harrison vindicated 250 years after ‘absurd’ claims
The pendulum clock of Longitude hero John Harrison is tested and declared a masterpiece
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+12 +3
Apollo 13, We Have a Solution
Rather than hurried improvisation, saving the crew of Apollo 13 took years of preparation
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+15 +2
The plane that can fly backwards
The Soviet Antonov An-2, which has been generating headlines from North Korea, can perform a feat that seems impossible.
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+14 +1
United Launch Alliance Unveils Americas New Rocket: Vulcan
United Launch Alliance (ULA) unveiled its Next Generation Launch System (NGLS) today. The new rocket will transform the future of space by making launch services more affordable and accessible.
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+13 +6
Warning Over Aerosol Climate Fix
Any attempts to engineer the climate are likely to result in "different" climate change, rather than its elimination, new results suggest.
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+15 +2
Toyota investing $1 billion in new corolla plant for Mexico
Toyota builds new Corolla plant to meet consumer demands.
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+18 +7
The Ingenious Design of the Aluminum Beverage Can
Bill details the engineering choices underlying the design of a beverage can He explains why it is cylindrical, outlines the manufacturing steps needed to created the can, notes why the can narrows near it lid, show close ups of the double-seam that hold the lid on, and details the complex operation of the tab that opens the can.
1 comments by zobo -
+9 +3
Scientists reveal how a sea sponge gets its remarkable strength
Fibres made of concentric cylinders help creature cling to the sea floor
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+9 +3
The Robotics Inventors Who Are Trying to Take the ‘Hard’ Out of Hardware
A handful of low-budget innovators are working to reinvent rigid, heavy machines and robots with materials that are soft, light, cheap and squeezable.
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+10 +3
A Grand Theory of Wrinkles
A collaboration between mechanical engineers and mathematicians has revealed universal rules for how wrinkles form.
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+17 +6
This Is the Huge Machine That Keeps Train Tracks Clean
The hulking beast is called a ballast cleaner
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+15 +2
Paralyzed Again
We have the technology to dramatically increase the independence of people with spinal-cord injuries. The problem is bringing it to market and keeping it there.
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+12 +5
National Grid unveils first 'T-pylon' built in UK
The first of five new types of smaller pylon design has been unveiled at a test centre in Nottinghamshire.
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+11 +2
Build a Phased-Array Radar in Your Garage that Sees Through Walls
Until recently phased array radar has been very expensive, used only for military applications where the cost of survival weighs in the balance. With the advent of low-cost microwave...
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+13 +2
S. Korea to develop, commercialize graphene by 2017
South Korea will move to start producing and selling products using graphene by as early as 2017, becoming one of the world’s first countries to commercialize the new advanced material, the government said Monday. Graphene is an atom-thin sheet of carbon that can transmit electric currents by up to 1 million times faster than conventional conductors, such as copper, and has twice the strength of diamonds.
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+17 +5
This new camera sensor could turn your [next] phone into a 3D scanner
Let's say you want to 3D print a replica of an object in your home. The first step, of course, is capturing a detailed 3D scan — a process that's currently accomplished to varying degrees of accuracy with...
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+15 +1
Natural nanocrystals shown to strengthen concrete
Cellulose nanocrystals derived from industrial byproducts have been shown to increase the strength of concrete, representing a potential renewable additive to improve the ubiquitous construction material.
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+13 +3
A rare LHC tour—avoiding radiation to see scientific history up close
With hardware still disassembled for service, Ars snuck underground to see LHC up close.
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+9 +1
Forget 3D printing—3D subtraction is going to arrive in your garage first
A funny thing happened on the way to our supposedly 3D-printed future: A simpler, older, but no less revolutionary technology made its way into every automated factory on earth, and now it’s coming to a garage near you. If you haven’t heard of it, it’s mostly because it has a completely unbankable name—CNC routing (or CNC milling.) Also, unlike the usurper technology 3D printing, which has only lately become popular...
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