NGK Discovers 90% Efficient Gallium Nitride LED Source

A new gallium nitride (GaN) semiconductor developed by NGK Insulators will hugely increase the luminous efficiency of LEDs from 30-40% to about 90%, reports...

Scientists Turn Hemp Into Cheap Pseudo-Graphene for Supercapacitors

All these stories we hear about the miracle material graphene, and everything it can do especially when it comes to energy storage, somehow miss...

Thermoelectric Phone Charger Provides Electricity From Camp Fire

Hatsuden-Nabe is the name of a device that can charge up your cellphone by using wasted heat. It's available in Japan since yesterday and it surely attracts a lot of hikers and adventurers, who think this could save their lonesome journeys.
Quantum Dot LED

Hugely-Efficient LEDs Now Use Quantum Dots

Global warming and pollution are already impacting our lives. There are millions of deaths every year that are caused by them. For that reason, researchers...

Dengyo Unveils "Rectenna" Device That Harvests WiFi and DVB Signals

Radio signals are mostly used for information transfer purposes, but the energy they contain is mostly left unused, bouncing off the various obstacles until all of it is transformed into lost heat. Nihon Dengyo Kosaku, a Japanese company, has come up with a device that harvests radio signals and uses their power.

Zero-Point Energy Nanomagnet Stores Data In Small Spaces

The European research institution Jülich just released new information on “zero-point energy” and its effect on the stability of nanomagnets. If scientists can determine...

Stretchable fabrics power integrated sensors and wearables

Last decade saw an evolution of fabrics to suit the body temperature`s rise under exercising. The effect is to help regulate temperature and disseminate sweating thus...

Energy Efficient, Long-Lasting Graphene LED Bulb Hits the Market

The very first product made of graphene to hit the market is a highly efficient, energy saving and long lasting LED light bulb. The long...

Toto Ecopower: Self-Powered Infrared Electronic Faucet

Toto invented a self-powered faucet. Self-powered is a little exaggerated, because this electric faucet's sensor is powered by the electricity produced by a small turbine, located inside.

GreenDroid: Newly Developed Smartphone Chip Uses 11 Times Less Energy Per Instruction

Smartphones are looked upon as the most sophisticated and trendy devices there are on the market nowadays, since mostly everyone wants or uses one. Still, with the coming of Google's Android and the freedom from Microsoft's Windows Mobile, no big changes have been made to green up these devices, as their power consumption grows exponentially.