The Popular Science hacker's manual

"Have you ever wanted to improvise a planetarium in your own home, boost a wi-fi signal, or turn a bike into a unicycle? The innovative projects in this guide include home improvements, gadget upgrades, and tweaks for fitness and sports. Readers will learn how to use basic woodworking tools, laser cutters, programming, and more to help build these hacks. Ranging from five-minute fixes to challenging, multiday projects, this manual ranks each project in terms of time, cost, and difficulty, while also emphasizing safety protocols for the most complex hacks"--Provided by publisher.