The Best iPhone Battery Pack

The iPhone can be power-thirsty. For many people a battery extender is an essential iPhone or iTouch accessory. Here are four of the best backup iPhone battery packs. Note: iPhone battery performance times vary widely based on individual usage habits and applications. Wherever possible we have tried to give details of a backup battery’s capacity relative to an iPhone’s full …

SolarDucts: Heating Air and Generating Power

Solar energy is often used to heat water or generate electricity, but it can also be used to heat air. The SolarDuct is a new device that uses sunlight to heat air before it enter a ventilator. They are modular units that can be installed on buildings with flat roofs.

Huge “Air Tree” Structure Produces Its Own Power and Oxygen

In Madrid, Spain they are currently building a huge structure called an “Air Tree” or “Eco Boulevard de Vallecas”. The Tree was created by Urban Ecosystem to be a social center, and to improve the surrounding environment. The structure is also completely self-sufficient, generating all its own power with solar cells. Any surplus energy is sold to the electrical grid. …

Boeing Developing Algae-Powered Jet Fuel

Air New Zealand and Boeing are secretly working to create the world’s first green aviation fuel, made of wild algae. The fuel is essentially derived from bacterial pond scum created through the photosynthesis of sunlight and carbon dioxide on nutrient-rich water sources such as sewage ponds.The company providing the biofuel is Aquaflow Bionomic Corporation. If the project pans out the …

How To Grow Fresh Air

Author B.C. Wolverton originally began his research to investigate creating a breathable environment for a NASA lunar habitat. What came of that research was the discovery that houseplants are the most efficient filters of common pollutants such as ammonia, formaldehyde and benzene. (See our list of the top plants for cleaning the air).

Toyota Devises Shrub To Purify & Cool Air

Toyota said recently that it has developed a new species of the Cherry Sage shrub family that effectively absorbs harmful substances in the air. The new species, called Kirsch Pink, will be sold for 380 yen per pot through Toyota Roof Garden Co, a Toyota Motor subsidiary, from March next year. While Cherry Sage plants are known to absorb nitrogen …

ClearDome 2′x8′ Exterior Solar Forced Air Heater

This sturdy 2′ X 8′, 40 pound anodized aluminum solar space heater will increase 500+ square foot room temps by 12-15 degrees F or more if room is well insulated. Incoming air temps will increase 40-45 degrees F, no matter what the temperature is inside or outside. Exiting air flow is fast at 9+ MPH with an included 88 cfm …