The Highest Capacity Rechargeable AA Batteries

Ansmann-2850 mAh-batteries

For powering high-drain electronics such as digital cameras, the most efficient batteries to use are high-capacity Nickel Metal Hydride (NiMH) cells. Higher capacity batteries store more charge and they can power your devices longer. The highest capacity rechargeable AA batteries are: Ansmann’s 2850 mAh batteries and Powerex’s 2700 mAh batteries. Of these two batteries, Powerex’s 2700 mAh gets the most positive reviews from photographers. It received …

The Three Fundamental Flaws Of The Modern Toilet

Niagara_StealthToilet_InsideTank

My unwinking, analytical gaze of efficiency now turns to the toilet. Unfortunately, the design of the modern Western toilet is highly inefficient, in fact, it is so inefficient that it is actually harming our health. The modern toilet has only been around for about 150 years — the “porcelain throne” was created to “give dignity” to the water closet, rather …

Green LA Girl Joins MetaEfficient

We are happy to announce that Siel Ju, noted green writer, will be joining MetaEfficient. Siel runs her own site Green LA Girl, and she has also written for Treehugger, Lime and Worldchanging.

New LED Light Bulbs Can Replace 100W Incandescents

Update: See our latest post on LED Light Bulbs For The Home. I recently had the chance to test two state-of-the-art LED light bulbs from EarthLED. LED bulbs have many advantages over incandescents and compact fluorescent: they use very little power, they last 10 years or more, and they contain no hazardous substances. They are also tough: they can be …

New Lithium-Ion Battery Recharges To 90% Capacity In 5 Minutes

Toshiba has developed a new lithium-ion battery called SCiB (or Super Charge Ion Battery) which can charge to 90% capacity in 5 minutes. The life cycle of the new battery is more than 10 years even if it is rapidly charged and discharged many times. The battery is also mucher safer than other types of lithium ion batteries, which are …

2010 Prius To Use Solar Power

“Prius,” in Latin, means roughly “to go before.” Since its first appearance in 1997, Toyota’s iconic hybrid has lived up to its name, with more than 1.5 million sold world wide. Revamped in 2003 with Toyota’s hybrid synergy drive, the Prius is now entering its third generation with the 2010 model to be available later this year. And, in keeping …

The Most Efficient Killer Of Microorganisms: Essential Oils

High-grade essential oils are the most efficient killers of microorganisms (for more information see  The Aromatherapy Bible: The Definitive Guide to Using Essential Oils, The Complete Book Of Essential Oils or The Illustrated Encyclopedia Of Essential Oils). Basically, essential oils are great disinfectants, and they are also healthy to inhale. They have other beneficial effects on the body and mind. …

The Most Efficient Humidifier: Areca Palm

It’s important to keep indoor humidity at an optimum level (45 to 65 percent). Dry air in the winter  is one the main causes of sinus infections and sore throats. You can use a mechanical humidifier to add moisture to the air, but these devices require constant cleaning to prevent the growth of microorganisms. An easier way to add humidity …

Efficient Jeans: Those Made With Organic Cotton Or Hemp

Efficient jeans are still hard to find. Conventionally grown cotton requires more pesticides to grow than any other crop. The more efficient method is to grow organic cotton or hemp. The surf company Reef makes some good organic cotton jeans, like their Heritage Jeans (shown above), their Philosopher Jeans and Heritage Cords. The outdoor clothing company Patagonia offers organic cotton …

The Most Efficient Material For Cold Weather: Merino Wool

Smartwool Zip Midlayer Sweater

Merino wool is the most efficient material for cold weather. Merino wool is softer than regular wool, and it feels more like cotton against the skin. Merino wool resists wind and warms better than synthetic materials. It doesn’t absorb odors and it regulates body temperature. It is also produced in a sustainable manner. The jacket pictured here is the Smartwool …