12

Chlorine Alternatives For Efficient Swimming Pools

by Benjamin Roman •

Cannonball! Jumping into a swimming pool is a classic way to beat the heat on a hot summer day. But clean pool water requires a combination of filtration, circulation, and sanitization. Chlorine has long been the most common tool for keeping pools free of bacteria and algae – but it has its drawbacks, and there are alternatives.

40

New Rooftop Wind Turbine Tested: The Helyx

by Justin Thomas •

Recently, I wrote about the low-profile Aerotecture wind turbines, which are designed to be installed on the rooftops of city buildings. Now I’ve heard of another rooftop wind turbine under development. It’s called the Helyx Wind Generator, and it’s composed of two twisted wings of fiberglass that rotate around a vertical axis. The turbine is also colored bright green, which …

88

The Best Electric Scooters Of 2012

by Justin Thomas •

You may have been looking for our review of electric bikes. e-Zip E750 Electric Scooter by Currie Technologies This electric scooter, the e-Zip 750, is currently the top-rated electric scooter on Amazon, with an average 4.5 out of 5 stars from 69+ reviewers. It has a 12-mile range (depending on rider weight) and top speed of 15 miles per hour. It’s …

1

Mobile.Seed: Biodegradeable Mobile Phone

by Justin Thomas •

Interesting concept. It’s called the Mobile.Seed. The idea is to have a fully biodegradable mobile phone that contains a visible seed inside. When you done with the phone, you put it in the ground, and flowers grow from the seed within. The phone’s brand could be tailored around the seed and plant that grows.

45

How To Filter Your Drinking Water Very Efficiently

by Justin Thomas •

I’ve spent quite a bit of time researching how to filter drinking water effectively. Originally, I was interested in filtering the rainwater that falls on my roof. But I had to put that project on the back burner for now. During my research I noticed that there is little unbiased information available on water filters and filtration techniques.

47

Costa Rica Is 99% Powered By Renewable Energy

by Justin Thomas •

CNFL-wind-power-Costa-Rica

Costa Rica is a country rich with renewable energy. In fact, it gets about 99% of all its electrical energy from clean sources, and it’s aiming to be the first country to become carbon neutral (more about that below). Some of Costa Rica’s energy sources include geothermal energy, the burning of sugarcane waste and other biomass, solar and wind energy. …

88

Rooftop Wind Turbines Ready For Commercial Use

by Justin Thomas •

Note: Images and Video © Lucid Dream Productions Wind turbines designed to be installed on rooftops are generating a lot interest lately. These compact turbines can be located on top of buildings, or attached to other parts of large structures like bridges. In turns out, though, that installing wind turbine in a city environment is a bit of an art. …

44

The Best Shower Filters Of 2011

by Justin Thomas •

I just replaced my shower filters, so I thought I’d update my best shower filter review from earlier this year. Each update to the review generates a lot of useful comments. So I’m incorporating what I’ve learned from those comments into this latest review.

24

Geobulb: A LED Bulb That Replaces A 60W Bulb

by Justin Thomas •

The Geobulb is an 8 watt LED light that replaces a 60 watt incandescent bulb. It generates 800 lumens of light to be exact — either warm white light or cool white. This bulb has a sleeker design than some of the LED lights I’ve seen — check out that aesthetically pleasing heat sink.

28

Efficient LED Light Bulbs For The Home

by Benjamin Roman •

LED light bulbs have some huge advantages over incandescent and compact fluorescent (CFL) bulbs. But they perform differently, so here’s your guide to understanding LED bulbs so you can enjoy their benefits and play to their strengths.