Best of 2015

The blog posts Hacker News loved most in 2015. 1,531 posts.

Any topic
856

What is Electricity?

Electricity is all around us--powering technology like our cell phones, computers, lights, soldering irons, and air conditioners. It's tough to escape it in our modern world. Even when you try to escape electricity, it's still at work throughout nature, from the lightning in a thunderstorm to the synapses inside our…