this diy bike safety light never needs batteries is powered by you /

We’ve shared tons of ways to stay secure and seen while riding your bike,but if you’re looking for something automatic that you build once and works forever, this DIY safety light is induction-powered, and mounts on your back wheel,and stays lit as long as you support pedaling. Plus, it’s easy to build.Read more... [img_102] , and

Source: gawker.com