After getting you boo one of these gifts, he may just fall in love with you all over again. View Entire Post › ...

Scientists have developed a new hydrogel electrolyte that can significantly enhance the performance of sodium-zinc hybrid ion batteries.

Turn a simple AA battery into a powerful mini flashlight with this easy DIY project. Learn how to assemble the components and create a compact yet high-power light source perfect for everyday use or ...

If you have a car battery that doesn't make it abundantly clear which post is positive and which is negative, there are a few ways to be sure.