The Hunt-Lenox globe is the second-oldest surviving terrestrial globe and also the oldest known globe to depict the Americas. The globe is covered in hidden details, including the Latin phrase, HC SVNT... continue reading

posted by newtboy 3 years 3 months 2 weeks ago • 495 views • 2:26

YouTube description: A look at the colorful history of sci-fi book covers

posted by Aard Vark (oritteropo) 4 years 1 week ago • 483 views • 6:29

I built a natural draft furnace to test ideas about how hot a furnace could get without the use of bellows. Natural draft is the flow of air through a furnace due to rising hot air. The hot gasses in the... continue reading

posted by Mordhaus 4 years 6 months 4 weeks ago • 453 views • 5:46

YouTube Description: music by http://www.youtube.com/Jakechudnow and http://www.audionetwork.com brusspup anamorphic illusions: [See YouTube description] ANOMALOUS MOTION by Akiyoshi Kitaoka:... continue reading

posted by Janine V. (Lilithia) 8 years 5 months 2 weeks ago • 1,595 views • 10:48