How to Build Your Own Water Car at Home

In July 2005, an American mechanic released most of the details of his simple conversion system which allows an ordinary car to use water...
fresnel lens frame

Solar Concentrator DIY – How to Build an $8 Fresnel Lens from Old TV

A solar concentrator DIY can seem like the easiest thing in the world - if someone else is doing the hard work. A guy who calls himself "Grant...

New Catalyst for Electrolysis Reduces Costs by 97% and Increases Hydrogen Production Fourfold

Hydrogen, the cleanest energy storage in the Universe, is most of the time associated with high costs, although it is extracted from water, which is the cheapest yet the most precious element to life. Extracting hydrogen from water is done through a method called electrolysis, but doing electrolysis efficiently requires the usage of catalysts such as platinum, which is very expensive.

Solar Powered Refrigerator Invented by 23 yo Emily Cummins

Emily Cummins, a 23-year old girl from the UK, has been named an Oslo Business for Peace Honouree for inventing a solar powered refrigerator - basically a device that uses water evaporation to extract heat (just like your skin gets colder when your sweat evaporates off).

Electric Vehicle Battery Prices Forced Down by VW

Demand and deployment for electric vehicles remains low, but automakers tend to agree that the technology could be the biggest shift in automotive technology...

Zero Mass Water’s Solar Panels Pull Clean Drinking Water Out of Thin Air

Around the world, approximately 2.1 billion people do not have immediate access to clean drinking water. A startup called Zero Mass Water aims to make clean water easily...

Converting Magnetic Energy Into Electric Voltage Using Power Spintronics

The American Institute of Physics' (AIP) journal Applied Physics Letters, published a report, which shows a new application of spintronics. According to the study, it...
Audi R8 E-Tron Finally Back on Track

Thanks to Improved Lithium-Ion Battery Tech, is the Audi R8 E-Tron Back on Track?

Electric vehicles, to some automakers, are more financial trouble than they're worth, which has left cars like the Toyota RAV4 EV and Audi R8...

Coffee to Boost Solar Cell Performance

You’re a graduate engineer. You’ve been working on perovskite solar panels. Perovskite describes a class of crystalline compounds which are easy and cheap to...

New Molten-air Battery Has the Highest Storage Capacity Ever Seen

Researchers from George Washington University showed off with a "molten-air battery", which not only has the highest capacity among all other energy storage devices,...