Wave power hasn’t yet made a splash because it’s hard to use waves to spin turbines, and because the sea is a harsh place to build things. To learn more, start your googling with these keywords: ... continue reading

posted by newtboy 5 months 1 week ago • 863 views • 3:16

"Everyone has their favorite classic Sesame Street animated segment from the last 50 years! Now, in this hour long compilation, they're all in one place! Watch live with us and share your favorite Sesame... continue reading

posted by ant 6 months 2 weeks ago • 12 views • 1:00:10

In a quiet corner of Kent State University, scientists are exploring innovative ways to study the past. We joined our friends at Gizmodo to visit Kent State University's Experimental Archaeology lab, where... continue reading

posted by newtboy 6 months 3 weeks ago • 38 views • 7:30

The frozen continent of Antarctica contains the vast majority of all freshwater on Earth. Now that ice is melting at an accelerating rate, in part because of climate change. What does this transformation... continue reading

posted by newtboy 1 year 1 month 1 week ago • 27 views • 10:16

YouTube description: Sabra Kauka finds great joy in making the past present. A cultural practitioner on Kauai, she teaches Hawaiian children the arts of their ancestors, including kapa. In this physically... continue reading

posted by Aard Vark (oritteropo) 1 year 3 months ago • 346 views • 4:13

YouTube description: At first this ghostly octopus drifted past the camera on ROV Hercules flapping wing-like fins, then inverted its webbed arms, ballooning out to reveal eight rows of suckers. This... continue reading

posted by Aard Vark (oritteropo) 1 year 6 months 3 weeks ago • 496 views • 2:27

China’s economy has indisputably grown enormously over the past thirty years, it has been merged with waste, fraud, and theft of public resources by who is who is the government. Chinese yuan debt has... continue reading

posted by bobknight33 1 year 8 months 3 weeks ago • 190 views • 11:52

YouTube description: For the past 30 years, Paul Francis has been crafting the perfect sound, honing his skills at a company that has been in the business of making cymbals for 400 years. Making cymbals... continue reading

posted by Aard Vark (oritteropo) 1 year 9 months 3 weeks ago • 826 views • 2:41

This animated map created from the NOAA, NWS, and PTWC shows every recorded earthquake in chronological order from January 1, 2001 to December 31, 2015. The size of the circle shows the magnitude of the... continue reading

posted by b4rringt0n 1 year 9 months 4 weeks ago • 864 views • 3:43

It's all relative. YouTube: We've talked in the past about the positives of Marijuana use. What are the harms? From pregnancy effects to impaired driving to memory and concentration, Aaron will tell... continue reading

posted by PlayhousePals 1 year 11 months 2 weeks ago • 596 views • 8:07

YouTube description: For decades, one of the most abundant kinds of fossils on Earth, numbering in the millions of specimens, was a mystery to paleontologists. But geologists discovered that these mysterious... continue reading

posted by Aard Vark (oritteropo) 2 years 1 month 4 weeks ago • 612 views • 7:00

At the old hut site (the new one being temporarily cut off by flooding) I made lime mortar from the shells of rainforest snails by firing them in a kiln, slaking them in water, mixing them into lime putty.... continue reading

posted by Mordhaus 2 years 2 months 2 weeks ago • 403 views • 7:08

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 2 years 6 months 4 weeks ago • 444 views • 5:46

I made a brick mold that makes bricks 25 x 12.5 x 7.5 cm from wood. A log was split and mortise and tenon joints were carved using a stone chisel and sharp rocks. The mold was lashed together with cane... continue reading

posted by Mordhaus 2 years 8 months ago • 1,014 views • 10:47

For many years, archery was part of warfare, but with the introduction of guns in the late Middle Ages and Renaissance, it started its long decline.. The "archery" of today is more like playing with... continue reading

posted by Mordhaus 2 years 8 months 1 week ago • 808 views • 5:06

"Protection from deportation and the chance to work have been life-changing for DACA recipients. But if Congress and the White House can’t agree on a bill to protect them within a six-month timeframe,... continue reading

posted by ant 2 years 8 months 2 weeks ago • 214 views • 5:28

Australia's Great Barrier Reef is the largest coral reef system in the world and the only living structure visible from space. Although ecosystem managers in Australia have worked hard to preserve the... continue reading

posted by Mordhaus 3 years ago • 536 views • 8:11

"View full lesson: http://ed.ted.com/lessons/a-brief-history-of-goths-dan-adams What do fans of atmospheric post-punk music have in common with ancient barbarians? Not much ... so why are both known... continue reading

posted by ant 3 years ago • 21 views • 5:31