Two Wind Farms Get New Zealand Closer To 90% Renewable Power

by Justin Phelps •

New Zealand is one big step closer to accomplishing the ambitious goal of generating 90% of its electricity from renewable sources by 2025. The country already produces nearly 80% of its power from clean sources, including hydropower, geothermal, and wind farms. With hydropower approaching its natural limit, New Zealand is investing heavily in two huge new wind farms.

Astrophysicist’s Technique Could Cut Plane Boarding Time In Half

by Justin Phelps •

Fermilab scientist Jason Steffen recently presented a creative and simple solution to a problem that affects hundreds of millions of people per year: inefficient airplane boarding procedures. Typically, airlines board in several zones, from back to front, one zone at a time. Though it may appear logical, this method is full of disorganization. Passengers in a given zone are all …

Lighting Costs Cut By 90% Using Intelligent LEDs

by Justin Phelps •

A company called Digital Lumens has introduced product that networks LED lights together to form an “intelligent” lighting system. The system can turn on lights if people are present in a room, and adjust brightness levels over the course of a day. Overall, the system can cut lighting costs by 90% for commercial sites like warehouses. A real world example is …

Longest Urban Bicycle Route In U.S. Sees Record Growth

by Tracy McGill •

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The East Coast Greenway is an urban network of trails stretching 3,000 miles from Key West, Florida to Calais, Maine on the Canadian border. Founded in 1991 by a group of trail advocates, the East Coast Greenway (ECG) began as a vision to provide cyclists and pedestrians with a safe and continuous, traffic-free route connecting 25 major cities along the …

The Longest Car-Free Bicycle Routes In The U.S.

by Tracy McGill •

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Bicycle touring is gaining in popularity across the U.S. with more car-free bike routes being completed each year. Cyclists who like the idea of long distance riding, but not the hassle of navigating through traffic and across busy roads on a bike can now plan an outing on one of these bike trails. Thanks to abandoned railway lines and canal …

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Charging USB Devices With AA Batteries

by Justin Phelps •

Charging USB Devices With AA Batteries

In this article, we will share with you some devices that use AA batteries to charge USB-powered small electronics. These devices provide a convenient way to stretch the time between wall outlet recharges.

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LED Lamps That Glow With Warm White Light

by Justin Phelps •

LED Lamps With Warm White Illumination: Koncept Z-Bar ($165) and i-Tower ($195) Pablo Designs LIM L Floor ($350) Cree XLamp XR-E Warm White LED Lantern ($25) The color temperature of light is measured in degrees Kelvin. Lower-temperature white LEDs (around 2,000-4,000 K) are warm (yellowish white) like incandescent bulbs. White LEDs with higher color temperatures (above 5,000 K) are cool …

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Top Car-Free Bike Routes In The Midwest

by Tracy McGill •

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There’s a growing trend happening in the Midwest and across the country. With the support of local and regional governments, long distance bike routes are being converted from abandoned rail corridors in an attempt to connect a nationwide network of trails most commonly referred to as rails-to-trails. These trails are generally flat or follow a gentle grade, perfect for beginning …

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The Best Electric Boat Motors

by Justin Phelps •

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The Best Electric Boat Motors: Minn Kota Endura C2 30 ($99) Minn Kota Endura C2 55 ($257) MotorGuide VariMAX V55 – Freshwater, Pontoon Mount ($414) Torqeedo Travel 1003 ($1,999) Compared to gasoline-powered boat motors, electric outboard motors provide quieter operation, no exhaust fumes and zero emissions. Electrics are great as the primary means of propulsion for small boats, a secondary …

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Using Solar Power To Run Electric Boats

by Justin Thomas •

Solar power is increasingly becoming a feasible choice for powering electric boats. In the last decade, we’ve seen improvement in the efficiency of electric boat motors, lithium-ion batteries, and the efficiency of solar panels.