Have you noticed how an increasing number of our daily aids are getting smart? Smart phones, smart cars, smart computers, smart cameras, and even smart fridges! But even the most revolutionary devices would surmount to nothing without power.
Everything has a source — whether you plug it in, hook it up, or leave it out in the sun — and without this essential piece of the electrical-power-surge puzzle, these gadgets are nothing more than absolutely useless pieces of brilliance in your possession. 更多
