The Dark Side of Solar Power

Everybody loves solar power, right? It’s nice, clean, renewable energy that’s available pretty much everywhere the sun shines. If only the panels weren’t so expensive. Even better, solar is now the cheapest form of electricity for companies to build, according to the International Energy Agency. But solar isn’t all apples …read more

Continue reading The Dark Side of Solar Power

Tacking Against The Sun: Flying A Batteryless Solar RC Plane Is Almost Like Sailing

Flying on the power of the sun is definitely not a new idea, but it usually involves a battery between the solar panels and the propulsion system. [ukanduit] decided to lose the battery completely and control the speed of the motor with the output of the solar panels. This leads …read more

Continue reading Tacking Against The Sun: Flying A Batteryless Solar RC Plane Is Almost Like Sailing

We Don’t Mine Enough Rare Earth Metals to Replace Fossil Fuels With Renewable Energy

Rare earth metals are used in solar panels and wind turbines—as well as electric cars and consumer electronics. We don’t recycle them, and there’s not enough to meet growing demand. Continue reading We Don’t Mine Enough Rare Earth Metals to Replace Fossil Fuels With Renewable Energy

Solar Power For Chernobyl’s Second Generation of Electricity

When featuring cool hacks repurposing one thing for something else, we prefer to focus on what we could get our hands on and replicate for ourselves. Not this one, though, as nobody else has the misfortune of being responsible for 2,000 square kilometers (772 square miles) of radioactive contaminated land like the government of Ukraine. Trying to make the best of what they have, they’ve just launched a pilot program working to put up solar power farms inside the Chernobyl Exclusion Zone.

This is sure to invite some jokes in the comments section, but the idea has merit. Thirty years …read more

Continue reading Solar Power For Chernobyl’s Second Generation of Electricity