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 6 years 7 months 1 week ago • 454 views • 5:46

It was just a routine workers’ compensation fraud case for Ken Sheppard. Show up for a spot check, do some surveillance of the subject and keep it pushing. But on March 3, 2014, it was anything but routine... continue reading

posted by newtboy 7 years 1 month 4 weeks ago • 1,157 views • 5:01

Inmates who realize they can't change the past try to change the future by reaching out to kids about gun violence before it's too late.

posted by Ashenkase 7 years 3 months 2 weeks ago • 236 views • 6:07

I invented the Bow Blower, a combination of the bow drill and forge blower to make a device that can force air into a fire while being easy to construct from commonly occurring natural materials using... continue reading

posted by Mordhaus 7 years 10 months 1 week ago • 1,388 views • 4:32

YouTube description: We've reached peak lens flare. Vox's Phil Edwards explains how it happened. Lens flare: it's familiar from the very shiny work of J.J. Abrams, but it goes far beyond his flare-strewn... continue reading

posted by Aard Vark (oritteropo) 8 years 2 months 1 week ago • 987 views • 4:25

YouTube description: I made a batch of charcoal using the mound method then stored it in baskets for later use. Charcoal is a fuel that burns hotter than the wood it's made from. This is because the... continue reading

posted by Aard Vark (oritteropo) 8 years 3 months 2 weeks ago • 1,003 views • 5:31

YouTube: You know that feeling, when you know a word but it’s just out of reach, stuck on the tip of your tongue? Well, why does it happen? And what can you do about it?

posted by PlayhousePals 8 years 7 months ago • 137 views • 4:05

The eight glasses of water a day is a myth! YouTube: How much water should you drink every day? Not as much as you've been told. This summer, like many summers before it, has seen a rash of articles... continue reading

posted by PlayhousePals 8 years 7 months 3 weeks ago • 793 views • 6:46

Lack of ability to cry was why I didn't gel with antidepressants. Horrid. YouTube: Dr. Julie Holland argues that women are designed by nature to be dynamic and sensitive – women are moody and that... continue reading

posted by PlayhousePals 9 years 1 month 4 weeks ago • 302 views • 6:51

YouTube Description: How can we reach the end of the universe just by folding a piece of paper? And how one very wise guy used the power of exponential growth to earn big bucks for his invention?!... continue reading

posted by Janine V. (Lilithia) 9 years 10 months 2 weeks ago • 268 views • 2:35

Stress. It makes your heart pound, your breathing quicken and your forehead sweat. But while stress has been made into a public health enemy, new research suggests that stress may only be bad for you if... continue reading

posted by Trancecoach 1 decade 7 months 1 week ago • 1,317 views • 14:29

YouTube Description: What would you see if you were drifting through space, looking back at the sun? Well its light intensity would decrease as the inverse square of distance from the sun. And you would... continue reading

posted by Aard Vark (oritteropo) 1 decade 1 year 3 months ago • 569 views • 3:06

The scientists at Sixty Symbols attempt to explain what would happen if you put your hand in the Large Hadron Collider. They have a few hypotheses, but nothing that can reach the theory level yet. Other... continue reading

posted by RFlagg 1 decade 3 years 8 months 1 week ago • 5,555 views • 13:19