Justin Cheng

7 Flips | 1 Magazine | 1 Following | 1 Follower | @justincheng927 | Keep up with Justin Cheng on Flipboard, a place to see the stories, photos, and updates that matter to you. Flipboard creates a personalized magazine full of everything, from world news to life’s great moments. Download Flipboard for free and search for “Justin Cheng”

How to Build a Radio/Drone Jammer

Spark gap transmitters are the oldest type of radio transmitter made by man. They were first used around 1888 and remained legal until the 1920s when …

DIY solar cell from scratch

Hello! In this instructable I will be showing you how to create a solar cell! I must warn you, the end product does not have any esthetic appeal …

MIT researchers augment humans with extra robotic arms

There are many tasks around the house or factory that you have probably said to yourself, “if I only an extra arm, this would be a lot easier." Tasks …

Arduino-Controlled LED Chandelier Made With Mini Jars

Could your humble abode use a little microcontrolled LED pizzaz? Why not class up the joint by making yourself a stunning arduino-controlled chandelier made from mini jars with this brilliant tutorial by Fune Lab?<p>This project actually looks pretty labor intensive, but the results are so spectacular …

Time Travel IS Possible, This Physicist Just Demonstrated It

For many the concept of time travel is nothing more than domain of science fiction writers and Hollywood movie magic, but what if you could …

Physics

Did Ancient Aliens Impart Advanced Astronomical Knowledge to the Dogon Tribe?

Skeptics and proponents of the ancient aliens theory have faced off for decades on the issue of the Dogon tribe’s allegedly advanced astronomical …