green technology

State Department Steps in to Block Access to 3D-Printed Liberator Gun Blueprints

State Department Steps in to Block Access to 3D-Printed Liberator Gun Blueprints

It has only been a couple of days since the Liberator 3D-printed gun was successfully fired in Texas by Defense Distributed. But after the gun was downloaded over 100,000 times in just two days, the State

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Scientists Discover Methods of Harvesting Electricity from Plants

Scientists Discover Methods of Harvesting Electricity from Plants

Photo via Shutterstock When it comes to capturing solar energy, plants are first in their class. Able to function at nearly 100 percent quantum efficiency, they can produce an equal number of electrons

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Blueprints for 3D-Printed Liberator Gun Have Been Downloaded 100,000 Times in Just Two Days

Blueprints for 3D-Printed Liberator Gun Have Been Downloaded 100,000 Times in Just Two Days

There are those who will only let their firearms be taken away from their cold, dead 3D printers. Defense Distributed, a group of IT professionals, students, and engineers located in the US and Germany,

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Cheaper EV Charging System Can Charge Electric Cars 4 Times Faster

Cheaper EV Charging System Can Charge Electric Cars 4 Times Faster

Charging time and cost are two of the biggest obstacles facing electric vehicle battery technology today. Fortunately, researchers at the Chalmers University of Technology in Sweden just developed an

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The Specialized Turbo is an Electric Bike that Can Hit a Blistering 27 MPH

The Specialized Turbo is an Electric Bike that Can Hit a Blistering 27 MPH

There are few cyclists who don't have at least a small addiction to speed - whether it's cruising down a steep hill or whizzing past traffic. If you really have the itch to fly down the road, you may want

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Duke Researchers Create a DIY Invisibility Cloak Using a 3D Printer

Duke Researchers Create a DIY Invisibility Cloak Using a 3D Printer

Until recently, invisibility cloaks were the stuff of private laboratories or fantasy novels. Now, engineers from Duke University have taken advantage of 3D printing technology to fabricate an obscuring

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Staples Becomes First Major US Retailer to Sell 3D Printers

Staples Becomes First Major US Retailer to Sell 3D Printers

Staples is set to go beyond stocking regular old inkjets and paper - the United States’ largest office supply store just announced that it will be the first major retailer to offer 3D printers for sale.

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Scientists Create Solar Cell Material Using an Old Microwave Oven

Scientists Create Solar Cell Material Using an Old Microwave Oven

Photo via Shutterstock Metallurgists at the University of Utah have cooked up an ingenious way to produce solar cells using something that nearly everyone has right at home: a microwave oven.

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Princeton University Scientists Use a 3D Printer to Create a Bionic Ear

Princeton University Scientists Use a 3D Printer to Create a Bionic Ear

Princeton University scientists have invented a new medical device that would have Ridley Scott nodding in recognition. By using live cells and metal nanoparticles, the researchers were able to use a 3D

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NASA Sends ‘Grover’ Solar-Powered Rover Right Over Greenland’s Shrinking Arctic Ice Sheet

NASA Sends ‘Grover’ Solar-Powered Rover Right Over Greenland’s Shrinking Arctic Ice Sheet

NASA's Mars Rover might have captured headlines, but a new bot deployed in Greenland might be doing even more important work. NASA's newest scientific rover, a robot known as GROVER, is on its

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The VOTO Charger Uses Fire to Charge Your Cell Phone

The VOTO Charger Uses Fire to Charge Your Cell Phone

Where there's smoke there's heat, and Point Source Power has figured out a way to harness that heat to charge your cell phone. The company's new VOTO charger converts the heat generated from a fire to

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2-Year-Old Girl Becomes the Youngest Person to Get a New Trachea Made Using Stem Cells

2-Year-Old Girl Becomes the Youngest Person to Get a New Trachea Made Using Stem Cells

Hannah Warren was born in 2010 with a rare condition known as tracheal agenesis, which means that her trachea failed to develop. For the past two years, she has been living in an ICU in Seoul, South

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Scientists in Uruguay Genetically Engineer Sheep to Glow Under UV Light

Scientists in Uruguay Genetically Engineer Sheep to Glow Under UV Light

When you can't sleep and need to count sheep to drift off, try wrapping your brain one of these eerie glowing lambs from South America. Scientists from the Animal Reproduction Institute of Uruguay (IRAUy)

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Virgin Galactic’s First Rocket-Powered Flight Breaks Speed Of Sound

Virgin Galactic’s First Rocket-Powered Flight Breaks Speed Of Sound

Sir Richard Branson's Virgin Galactic - the world’s first commercial spaceline - just announced that its SpaceShipTwo (SS2) successfully conducted its first rocket-powered flight. The test, which saw

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Myo is a Wearable Computer that Converts Movement into Digital Commands

Myo is a Wearable Computer that Converts Movement into Digital Commands

  From genetically-engineered glowing plants and 3D-printed food, it often seems that our technological reality had finally entered the realm of science fiction. But the way we interact with our

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BotObjects Unveils the World’s First Full-Color Desktop 3D Printer

BotObjects Unveils the World’s First Full-Color Desktop 3D Printer

BotObjects just unveiled the world's first full-color desktop 3D printer - the ProDesk3D. Instead of producing monochromatic objects with a single piece of filament, the new ProDesk3D allows designers to

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16-Year-Old Creates Cancer-Killing Nanoparticle Bullet

16-Year-Old Creates Cancer-Killing Nanoparticle Bullet

In the battle to beat cancer, everyone is looking the elusive silver bullet. In this case, the bullet may actually be made of gold, and it has been developed by a 16-year-old. Indian-born Arjun Nair has

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SUPRAPOWER: European Union Developing Next-Gen Superconductor Wind Turbines

SUPRAPOWER: European Union Developing Next-Gen Superconductor Wind Turbines

Today's wind turbines are big and heavy, which makes them costly to build and maintain - especially when they are installed offshore. To make turbines more efficient, the European Union just launched

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Helical Robotics Introduces Climbing Robots for Wind Turbine Inspection

Helical Robotics Introduces Climbing Robots for Wind Turbine Inspection

Inspecting wind turbines is not for the faint of heart. Some of the largest wind turbines possess rotating blades that are hundreds of feet in length suspended at dizzying heights, and getting up close to

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Droning for the Planet: How Conservationists Use Drones to Protect the Earth

Droning for the Planet: How Conservationists Use Drones to Protect the Earth

Photo by Conservation Drones Rhinoceros photo from Shutterstock Twenty years ago I had a tsetse fly-filled conversation with some hardened and battle-scarred rangers about how to count rhinos in the

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IBM Solar Collector Harnesses the Power of 2,000 Suns

IBM Solar Collector Harnesses the Power of 2,000 Suns

A team of IBM researchers is working on a solar concentrating dish that will be able to collect 80% of incoming sunlight and convert it to useful energy. The High Concentration Photovoltaic Thermal system

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SolarWorld and PC-AERO Unveil Two New Solar-Powered Airplanes

SolarWorld and PC-AERO Unveil Two New Solar-Powered Airplanes

SolarWorld and PC-Aero just announced plans to launch two new solar-powered electric aircraft at the AERO Global Show for General Aviation in Friedrichshafen, Germany this month. The show, scheduled to

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New Ultra-Light Nanotube Aerogels Could Clean Up Oil Spills

New Ultra-Light Nanotube Aerogels Could Clean Up Oil Spills

Researchers at the University of Pennsylvania have created low-density, super-strong aerogels made of carbon nanotubes that could be key to cleaning up oil spills. The new material is lighter than air but

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Virgina Tech Researchers Create Food from Non-Edible Plant Cellulose

Virgina Tech Researchers Create Food from Non-Edible Plant Cellulose

Few people turn to a tree branch or corn husk for a meal, and for good reason. The cellulose found in the cell walls of plants is enormously difficult for the human digestive system to break down. The

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LG is Developing a Waterless Washing Machine

LG is Developing a Waterless Washing Machine

LG is rumored to be creating a washing machine that doesn’t use water. Reports indicate that the South Korean firm plans to focus on next-generation smart appliances next year, and it's

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Student-Designed Chaac Ha Water Collector Can Harvest 2.5 Liters of Drinking Water from Dew Each Night

Student-Designed Chaac Ha Water Collector Can Harvest 2.5 Liters of Drinking Water from Dew Each Night

World Water Day may have come and gone, but the importance of preserving water remains. There are some amazingly innovative ways to harvest water out there, like this award-winning Chaac Ha Water

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GE’s HDlive 3D Ultrasound Reveals Super-Realistic Images of Baby in Utero

GE’s HDlive 3D Ultrasound Reveals Super-Realistic Images of Baby in Utero

If you've ever seen a standard ultrasound, you've probably feigned an understanding of what you were looking at. Those grainy, blurry, black and white images could very soon be a thing of the past with

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New Tiny Lithium Ion Battery is 2,000x More Powerful and Can Charge 1,000x Faster

New Tiny Lithium Ion Battery is 2,000x More Powerful and Can Charge 1,000x Faster

With lithium ion batteries, it used to be that you would have to choose between power and storage capacity. But researchers at the University of Illinois at Urbana-Champaign have proven that it is

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Hybrid Energy Harvester Uses Both Sunlight and Vibrations to Generate Electricity

Hybrid Energy Harvester Uses Both Sunlight and Vibrations to Generate Electricity

Why just harness light or vibration individually when you can use both to create electricity? Making sure to fully exploit both sun and sound simultaneously, researchers from Sungkyunkwan University and

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Coral Reef-Saving Coralbots Take a Step Closer to Reality

Coral Reef-Saving Coralbots Take a Step Closer to Reality

Last year we reported on Heriot-Watt University's Coralbot project, which aims to deploy swarms of intelligent robots to help rebuild coral reefs around the world. Now the Coralbots' makers have turned to

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