Efficient: Private, Decentralized Networks

by Justin Thomas •

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The Internet is a wonderful invention, and we are now entering a time where the Internet is becoming nearly ubiquitous in our lives and quickly supplanting traditional forms of media. However, today the Internet is often censored and tracked by Internet Services Providers (ISPs) and companies like Google and Facebook, as well as governments around the world. (I’ve outlined some …

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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.

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Windspire: Propeller-Free Household Turbine Gets Approval

by Justin Thomas •

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We just featured the largest wind turbine in the world, now here’s something at the opposite end of the spectrum: a household wind turbine. In the last few years, we’ve seen a lot of mini-wind turbines that haven’t turned out to be very useful. But the Windspire turbine from Mariah Power sounds interesting. The Windspire has a propeller-free vertical-axis design, …

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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. …

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The Best Rechargeable Batteries and Chargers Of 2016

by Justin Thomas •

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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 …

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The Largest Wind Farm In The World: Horse Hollow

by Justin Thomas •

What is the largest wind farm in the world? Well, right now it’s the Horse Hollow Wind Energy Center in Texas. This wind farm has 421 wind turbines that generate a total capacity of 735 megawatts. The wind turbines are spread across 47,000 acres of land in Taylor and Nolan County, Texas.

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Skyscraper Creates All Its Own Energy

by Justin Thomas •

This skyscraper, to be built in Dubai, is called the Burj al-Taqa (‘Energy Tower’), and it will produce 100% of its own power. The tower will have a huge (197 foot diameter) wind turbine on its roof, and arrays of solar cells that will total 161,459 square feet in size. Additional energy is provided by an island of solar panels, …

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Efficient Jeans: Those Made With Organic Cotton Or Hemp

by Justin Thomas •

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 …

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Costa Rica Is 99% Powered By Renewable Energy

by Justin Thomas •

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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. …

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Finding Inexpensive Non-Toxic Bedding

by Justin Thomas •

Non-Toxic Bedding

Update 2016: See my updated article on non-toxic bedding. We spend about one third of our lives in bed. It’s a time when our body regenerates itself. We release about 3 liters of water while we sleep, and our bodies go through cycles of cooling down and heating up. We also absorb substances through our skin and through our lungs. …