Clean Energy
Human hair makes perovskite solar cells more efficient
Perovskite solar cells featuring a layer of carbon nanodots made from human hair were more efficient and stable than those without the dots.
Artificial photosynthesis machine improves itself over time
An artificial photosynthesis device that gets more efficient with time could finally allow us to harness solar energy for uses beyond electricity.
An explosive lake becomes a source of power
Lake Kivu in central Africa is on the verge of exploding. To prevent disaster, Rwanda is using the lake as a source of energy.
A battery revolution could make electric cars a reality for everyone
We'll need a new type of battery to make electric cars cheaper and convenient.
Solar panels in space could beam continuous energy back to earth
Capturing the sun's boundless light in space could revolutionize how we distribute energy around the world.
This mass-produced solar car costs just $25,900
The Aptera solar car is expected to hit roads in 2021, but even if it's not the next big thing in transportation, its design elements could be.
A new device can use your body heat to increase battery life
Researchers have developed a low-cost wearable device that can turn body heat into energy — improving battery life for your essential devices.
Fuel tests to begin for world’s largest fusion reactor
At the JET nuclear fusion reactor, scientists are testing a fuel that could power a $25 billion nuclear fusion device.
Massive green hydrogen projects are underway
Large-scale ventures are a big step toward testing whether we can create a marketplace for green hydrogen in a way that makes economic sense.
Electricity and chemistry could give biofuels a big boost
Scientists found an easier way to produce a chemical reaction important in making biofuels, possibly lowering the cost of biofuel production.