power

The Sounds Around You Could Soon Charge Your Phone's Battery

Sitting in a noisy bar, caring for screaming children, or watching the ball game — all awful locations to make a phone call, but soon these scenarios could actually help charge the battery of your cell.


Simply Layering Solar Cells Could Make Them As Cheap As Natural Gas

It’s not uncommon to focus on excotic solutions to making solar power more efficient: new materials, complex tracking systems or unusual physical phenomena. But what about just stacking them on top of each other?


A New Adaptive Material Could Halve The Cost Of Solar Power

Solar power is one of the most reliable forms of renewable power — but it’s still expensive. Now, a team has developed a smart, adaptive material that could slash the its cost in half.


This Machine Generates Electricity From Humidity

This silver cube looks like it belongs on a spaceship — but actually it’s way more exciting than that. In fact, it can create electricity from humidity, as water condenses on its internal surfaces.


This Compact Device Keeps Small Electronics Running On Emergency Power

A UPS — or uninterruptible power supply — beneath your desk can be a lifesaver if your building loses electricity while you’re working. However, most people don’t own one because a UPS is typically designed for power-hungry desktop computers and end up being heavy and expensive — but not APC’s new tiny and cheap Back-UPS Connect 70.


How To Tell If Your Charger Is Safe To Use In Australia

Uncertified USB chargers have already claimed the life of one Australian, and another has since survived a similar incident. It’s important to know if your charger is safe for use before you plug it into the wall. Here’s how you can tell.


Could We Ever Power A Laptop By Recovering Energy From Typing?

Tip-tap-tip-tap-tippety-tap. We all spend our days bashing keys at our computer — so how much energy could we create if we could recover just a little of it?


A Candle-Powered Speaker Keeps Playing Even When The Power's Out

Using a scientific phenomenon known as the Peltier-Seebeck or thermoelectric effect, where a voltage is produced via a device with contrasting temperatures, this Bluetooth speaker called the Pelty can run on nothing but burning candles. So the next time you lose power during a brownout, you’ll have both light and entertainment to pass the time.


Why The Future Of A Solar-Powered Life Isn't Here Yet

You’d think that with all the solar farms we’ve been building up and all those solar panels on people’s roofs we would figure out how to use solar power to replace those old smoking power plants of ours. But we can’t yet.


A Stylish Power Strip You Won't Want To Hide Under A Table

When was the last time you bought a power strip based on looks? Never, because they all focus on functionality at the cost of being an eyesore. Thankfully, David Okum has applied his wonderful design sensibilities to yet another mundane household product, with a power strip called the Oon that you’ll never want to bury under a desk.