Matt Barnes

5 Flips | 1 Magazine | 40 Likes | 7 Following | @MattBarnes2014 | Keep up with Matt Barnes on Flipboard, a place to see the stories, photos, and updates that matter to you. Flipboard creates a personalized magazine full of everything, from world news to life’s great moments. Download Flipboard for free and search for “Matt Barnes”

Skin patch turns friction into electricity to power wearables

Until we find that perfect technology to power wearables with our own bodies, scientists all over the world are going to keep developing possible candidates. A team from the National University of Singapore, for instance, has developed a flexible, postage-sized device that can convert static …

New aluminum air battery could blow past lithium-ion, runs on water - ExtremeTech

By on January 28, 2015 at 1:07 pm<p>This site may earn affiliate commissions from the links on this page. Terms of use.<p>As battery technologies go, the …

How To Prune Trees • When To Prune Trees

Lets touch base about how to prune trees, because it is one of those gardening chores that must be done at a certain time of year. If you have run …

How to Build Leonardo Da Vinci's Catapult

In his new book Defending Your Castle, William Gurstelle shows you how to build catapults, crossbows and all the other devices you need to keep the invading hordes at bay.<p>In his new book <i>Defending Your Castle</i>, William Gurstelle shows you how to build catapults, crossbows and all the other devices …