DIY Automatic Coin Sorting Machine from Cardboard v2.0 For this project you need cardboard, cutting knife, battery, electric motor, small nut and glue. The most important part - to measure needed ...

“This is the first time in the 25-year history of Pantone’s color of the year that they’ve chosen a shade of brown, which is kind of a big deal,” says the New York Times’ Vanessa ...

Citing improved safety and a better passenger experience, Metro officials are hoping to have Red Line trains operate in automatic mode starting later this month. During an overnight demonstration ...