How to Keep Food Cool Without Electricity
Evaporative cooling was used as early as the Old Kingdom of Egypt, around 2500 B.C. As you can imagine, a clay pot cooler does...
German Researcher & Team Debunk Room Temperature Superconductors
I remember reading about how superconductors were to revolutionize transportation, computing, telecommunications, energy and industry. I also remember with amazement the time I made...
Green Purchases Motivated by Money And Not Saving the World
Good news! More and more Americans care about energy efficient products. Over 50% of Americans have bought energy efficient appliances, 61% say they want...
How a Well Insulated House Saves Hundreds of Dollars a Year
Heating and cooling costs account for between 50% and 70% of all energy costs in the average home, so maximizing the value of the...
New Gallium-Nitride LED Technology Offers High-Power Lighthing
All of the LEDs you see in every device that you put your hands on is made with precious sapphire rock - artificially grown one, but still an expensive material to work with. A new technology developed by Bridgelux uses Gallium nitride to grow LEDs on silicon substrates and can be reproduced at commercial scales.
3 Tips for Choosing Eco Friendly Gadgets
It is difficult to be an environmentally-friendly consumer. People are more interested in green living than ever, which is great. The downside is that...
MIT’s Genetically Modified Viruses Boost Lithium-Air Batteries
Recently, lithium-air batteries have become popular amongst researchers for their potential to drastically increase power per battery weight, which could have profound impacts on...
Chinese LEDs Get 122% More Efficient by Copper Substrate Transplant
Gallium nitride (GaN) light emitting diodes, or commonly known as LEDs are usually grown on a layer of silicon - that abundant material that...
New Yellow Phosphor LED Bulb is More Efficient and Economical
Typical white light-emitting diodes are extremely bright and expensive to manufacture. Their applications are also limited because of the directional nature of the...
Solar Electrolysis for Dummies
Electrolysis: Obtaining hydrogen from water: The Basis for a Solar-Hydrogen Economy
This project involves a fascinating experiment in electrochemistry that illustrates several important energy related...
