RETRO

Long before 3D printing was a thing, kids of all ages were plunking quarters into Mold-A-Rama vending machines to get plastic sculptures made right before their eyes. Let’s take a look back at the history of these mid-century manufacturing marvels.

They're presented in reverse order, so you can quiz yourself as you go along.

Happy 30th birthday, 1984! If you're turning 30 this year, you're in good company—here are 30 things that share your birth year.

In 1926, British-born filmmaker Claude Friese-Greene filmed the streets of London in breathtaking color. But only recently has the British Film Institute released an extract of their restoration of Friese-Greene's footage.

In 1984, ice cream truck driver Michael Larson won a record $110,237 on the game show—and he did it by gaming the system.

On April 22, 1990, the Muppets celebrated Earth Day with Carl Sagan, Neil Patrick Harris, Downtown Julie Brown, and many, many more.

In 1997, the idea that you could access email (specifically Hotmail) via a web browser was pretty revolutionary. "Even attachments show up!" exclaims the host in this charming segment of 'The Computer Chronicles.'

Our definition of portability has changed over the years, from 1975's IBM 5100 (what we used to call a "luggable" computer) all the way to today's ultrabooks, which are finally actually "notebook" sized -- and still have halfway decent battery life.