Metals have a crystal structure. But they're not one big crystal, they're lots of small crystals called grains. The size of the grains affects the physical properties of the metal, like hardness, toughness,... continue reading

posted by newtboy 2 days 23 hours 58 minutes ago • 130 views • 8:45

YouTube description: Spend a little time with the other amazing photos from this year at https://www.nikonsmallworld.com/ This was really an honor to be a part of. We started with thousands of images... continue reading

posted by Aard Vark (oritteropo) 3 weeks 6 days ago • 106 views • 3:59

From Youtube, "A brief overview of this ingenious method of compressing air using only the power of water. The way a trompe harnesses the power of water to generate compressed air with no moving parts... continue reading

posted by w1ndex 1 year 9 months ago • 1,210 views • 8:50

YouTube description: There’s no telling what you can do when you put your mind to it. Take Richard Hull, he built a small-scale fusion reactor—in a shed, in his backyard. A retired electronics engineer,... continue reading

posted by Aard Vark (oritteropo) 1 year 11 months 1 week ago • 1,459 views • 3:32

YouTube description: This translucent Deepstaria jelly unfurled as it whorled and shapeshifted in currents created by ROV Hercules' thrusters. Its bright red resident isopod, a relative of the pillbug,... continue reading

posted by Aard Vark (oritteropo) 2 years 2 weeks ago • 786 views • 5:43

So, I recently showed up as having anemia. After a lot of tests, they finally determined I have this disease as well. It can interfere with nutrient absorption in the small intestine.

posted by Mordhaus 2 years 2 months ago • 136 views • 4:15

YouTube description: Something about the Apollo missions always confused me, sure, the step off of the lunar lander’s 91 cm footpad was a small step, but the step just before that was actually enormous! ... continue reading

posted by Aard Vark (oritteropo) 2 years 2 months 4 weeks ago • 479 views • 14:48

“I went to the woods because I wished to live deliberately, to front only the essential facts of life, and see if I could not learn what it had to teach, and not, when I came to die, discover that I... continue reading

posted by Joe Motion (lurgee) 2 years 4 months 1 week ago • 164 views • 20:41

After fourteen years of pretty much uncontested domination, Goodyear saw their reign challenged by a small band of Indiana tire makers named Hoosier Racing Tires. What ensued was one of the bloodiest conflicts... continue reading

posted by bobknight33 2 years 5 months 1 week ago • 74 views • 18:28

YouTube description: Thierry Coursier had a good life as a logistics worker. His salary was great, his work was comfortable and he sat at a desk all day. But, Thierry wasn’t happy. He gave up his... continue reading

posted by Aard Vark (oritteropo) 2 years 7 months ago • 484 views • 2:43

YouTube description: Skiing and sledding down a mountain? Amateur hour. Try rolling through on a wooden bike. Say hello to the Velogemel, a snow bike local to the Swiss town of Grindelwald. Named for... continue reading

posted by Aard Vark (oritteropo) 2 years 7 months 3 weeks ago • 370 views • 3:08

YouTube description: Until the mid 1950’s, small short-range airliners like the twin engined IL-14 were really the only type the Soviet Union produced. And that meant flying across the country’s... continue reading

posted by Aard Vark (oritteropo) 2 years 9 months 2 weeks ago • 421 views • 10:05

YouTube description: On a small island, off the coast of Okinawa in Japan, the world’s most precious kimonos are crafted using a very unusual element: mud. The meticulous technique, which has been... continue reading

posted by Aard Vark (oritteropo) 2 years 10 months 3 weeks ago • 2,036 views • 2:50

YouTube description: I graduated from Advanced Helo Underwater Egress Training at Marine Corps Base Hawaii. When life gets hard THINK CLEARLY, and take small steps towards safety. Please subscribe... continue reading

posted by Aard Vark (oritteropo) 2 years 11 months 4 weeks ago • 1,805 views • 11:19

--- Do earwigs climb into your ear? The quick answer is no. Earwigs are not interested in climbing into your ear to lay their eggs or otherwise. They’re no more likely than any other bug to accidentally... continue reading

posted by Mordhaus 3 years ago • 151 views • 4:21

YouTube description: The Ganges River is a highly revered site by Hindus and an iconic, historical epicenter in India. As hundreds of millions of people visit the Ganges each year, there is a dedicated... continue reading

posted by Aard Vark (oritteropo) 3 years ago • 149 views • 2:26

Destin catches a small bird in his house and decides to film it taking of in slow motion.

posted by Fantomas 3 years 2 months 1 week ago • 477 views • 4:22

YouTube description: When the small Japanese seaside town of Susami needed a tourism boost, an unlikely resident came to the rescue: the town’s postmaster. Together with the local diving community,... continue reading

posted by Aard Vark (oritteropo) 3 years 8 months 3 weeks ago • 449 views • 2:55

YT: I built an A frame hut as a large work space for projects. First I made a celt hatchet to cut timber for the hut. The axe head was made of amphibolite and the handle was made of a species of wattle.... continue reading

posted by nanrod 3 years 8 months 4 weeks ago • 517 views • 9:05

YT - Primitive Culture Published on Jan 18, 2018 My Video Show about Make the Kind of fish trap in the shape of a basket with a hole at the small end. the wide end is dropped over a school of fish to... continue reading

posted by Buck 3 years 9 months ago • 331 views • 10:58