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Featured in How It Works 2012

By Apr 11, 2012
Technology

How It Works: A Laser-Powered Ear Implant to Boost Hearing

Directly stimulating human cells with light
By Apr 10, 2012
Science

How It Works: Building a Kilometer-Long Pipe Deep Under the Sea

Harvesting thermal energy from the oceans takes some powerful engineering
By Apr 9, 2012
Technology

How it Would Work: Destroying an Incoming Killer Asteroid With a Nuclear Blast

Simulations show how unleashing Earth's destructive arsenal into deep space could save the planet
By Apr 5, 2012
Science

How It Works: The First Disposable, USB-Powered Genome Sequencer

Nanopore technology that lets your computer read your chromosomes
By Mar 10, 2012
Technology

How It Works: Underground Robot Library

Research libraries are facing an unexpected challenge: too many books. Despite digitization, bound collections continue to grow. Some libraries house...
By Mar 9, 2012
Gadgets

How It Works: Powered Gear Shifters

In 1938, Simplex released the first cable-based bicycle gearshifts. Riders would move a lever near the front of the frame...
Mar 9, 2012
Uncategorized

How It Works: Salmon Transport

At the turn of the 19th century, up to 16 million salmon and steelhead trout migrated up the waterways of...
By Mar 9, 2012
Technology

How It Works: World’s Fastest Elevator

The first commercial passenger elevator, installed by Otis Elevator Company in 1857, climbed 40 feet a minute. The elevators that...
Mar 9, 2012
Technology

How It Works: Dual-Blade Buzz Saw

To saw different materials, users often need to switch blades. A blade with big teeth, for example, cuts wood quickly...
Mar 9, 2012
Cars

How It Works: Two-In-One Turbocharger

Carmakers are responding to high oil prices and strict fuel-economy standards by replacing large gasoline engines with smaller, more-efficient ones....