How can we build better bridges, highways and water mains? With new tech, including superconducting power lines, no-dig water pipes, and self-healing pavement. By Adam M. Bright
Mary Lou Jepsen, the engineer behind the “$100 laptop” initiative, has perfected an LCD screen that could finally mean the death of paper. By Lauren Aaronson
Neuroscientists can reconstruct mental images—like the hamburger you’re picturing—using a common brain scanner and complex math. Reading your thoughts may well be next. By Lisa Katayama
To fear or not to fear: next-gen nukes, cyborg beetles, and a drug that makes you trust total strangers. We uncover the truth behind creepy research. By Jason Daley
Learn from PopSci’s staff photog as he constructs a home packed with eco-innovations. This month: Radio-controlled light switches to save energy easily. By John B. Carnett
Five amazing, clean technologies that will set us free, in this month's energy-focused issue. Also: how to build a better bomb detector, the robotic toys that are raising your children, a human catapult, the world's smallest arcade, and much more.