The Best Rechargeable Batteries and Chargers Of 2016

by Justin Thomas •


In A Nutshell Here are my recommendations for the best rechargeable AA batteries: If you want the best energy capacity (2500 mAh) — get the Eneloop Pro If you want maximum recharge capacity (2100 times) — get the 4th Generation Panasonic Eneloops (800 mAh) If you want to save some money and don’t mind a little less performance from your …

The Spun Chair: A Sculpture That Rotates You

by Justin Thomas •


Our first entry into the MetaEfficient gallery is the Spun Chair by Heatherwick Studio. Is it an oversized toy? Is it a sculpture? Is it a piece of furniture? All three perhaps. I first spotted the Spun Chair while at the Hammer Museum in Los Angeles. Everyone who took the chair for a spin seemed to be delighted. The chair gives …


The Longest Mountain Bike Trail In The World

by Tracy McGill •

Julie with BOB

It could be said that the Great Divide Bike Trail is like the Mount Everest of cycling adventures. Not only is it the longest mountain bike trail in the world at 2,500 miles, but it has over 200,000 feet of elevation gain. Stretching from Canada to Mexico, the Great Divide bike trail travels through some of the most mountainous regions …


The Best C-Size Rechargeable Batteries Of 2015

by Justin Thomas •


The best rechargeable C-size batteries are Acculoop C cells, by Accupower. These batteries are the new low self-discharge NiMH (Nickel Metal-Hydride) cells, and they have a high capacity of 4500 mAhs (milliamp hours).


Do Rechargeable Lithium-Ion AA Batteries Exist?

by Justin Thomas •


Do rechargeable lithium-ion batteries exist in standard sizes like AA, AAA, C or D? Yes, they are finally available. A company called Kentli has released AA and AAA rechargeable lithium polymer batteries that output 1.5 volts. Kentli batteries are available on Amazon here. Lithium-ion batteries normally operate 3.7V per cell — but Kentli put circuitry inside the cells to reduce the voltage …


The Best LED Desk Lamps Of 2015

by Justin Thomas •


Best Overall: TaoTronics Elune Desk Lamp The TaoTronics Elune is priced at $50 and it is probably the best value LED desk lamp available. This lamp has 30 LEDs that shine with 450 lumens at full power. The lamp has a slide touch switch on the top that allows you to adjust the brightness to any one of 7 brightness levels. …

“Watch-Out” Roundabouts: More Efficient Than Stop Lights

by Kathryn Kozowski •


The safety and efficiency of roundabouts has been hotly contested in countries that have been wary to embrace them, such as the United States. People have argued that roundabouts are more confusing than signal lights, and consequently lead to more frequent accidents. While it is true that roundabouts can be confusing for first-time users, officials argue that once people have …

Top 5 Bike-Friendly Small Towns

by Tracy McGill •


Most lists of the top bike-friendly towns include major metropolitan areas, but small towns, those with a population under 100,000, actually pull in higher percentages of bike commuters. Small towns have the advantage of smaller road grids, easier commutes, and local government support. The most bike-friendly small towns are typically college towns where bicycling is considered by college students as …

Efficient Men’s Shirt For Summer: Renewable Wool, Non-Wrinkling, Made In USA

by Justin Thomas •


Ibex makes shirts from renewable merino wool (from New Zealand). Ibex clothing is sewn in the USA (only tiny faction of the shirts sold in the US are actually constructed here). I like merino wool because it keeps you cool in the summer, and unlike cotton or synthetics, merino does not retain odor, and it does not wrinkle. The polo …