Stirling engines are having a bit of a revival. What are they, and how do they work? Could they generate our electricity in the future?
posted by Mordhaus 7 years 5 months 3 weeks ago • 614 views • 19:06Videos (125) | Sift Talk (0) | Blogs (0) | Comments (1000) |
There’s a job out there with a great deal of power, pay, prestige, and near-perfect job-security. And there’s only one way to be hired: get appointed to the US Supreme Court. But how do US Supreme... continue reading
posted by Mordhaus 7 years 6 months ago • 15 views • 4:26In the Aljarafe region of Spain, there's PS10 and PS20: concentrated solar power towers. They're huge towers surrounded by heliostats: movable mirrors that track the sun and reflect its light onto a giant... continue reading
posted by Mordhaus 7 years 6 months 3 weeks ago • 440 views • 2:42An electrical reciprocating engine using a solenoid instead of a steam cylinder to power the strokes.
posted by Mordhaus 7 years 7 months 3 weeks ago • 31 views • 5:30Are you? From YouTube: https://www.youtube.com/watch?v=PqN_2jDVbOU "Geordie Rose, Founder of D-Wave (recent clients are Google and NASA) believes that the power of quantum computing is that we can... continue reading
posted by chicchorea 7 years 8 months 2 weeks ago • 850 views • 19:38YouTube description: It’s probably the most well known peacetime battle between the USA and the Soviet Union, in both technological and ideological terms of the 20th century. Although the USA won... continue reading
posted by Aard Vark (oritteropo) 7 years 8 months 4 weeks ago • 812 views • 14:23In a laboratory at Oxford University sits the Oxford Electric Bell, which has spent 176 years constantly ringing. And no-one's quite sure what the battery that powers it is made of...
posted by Mordhaus 7 years 8 months 4 weeks ago • 625 views • 4:07YT: As the world switches to renewable energy - and we are switching - there's a problem you might not expect: balancing the grid. Rotational mass and system inertia are the things that keep your lights... continue reading
posted by Fantomas 7 years 9 months ago • 828 views • 4:06YouTube description: Ken Spitulski from KenCraft Company Inc. shows the real power of a tablesaw. (via digg)... continue reading
posted by Aard Vark (oritteropo) 7 years 9 months ago • 2,152 views • 1:38From YT: Congrats to Bruce, our latest recruit to pass his Initiation Test into the Cave of Adullam Transformational Training Academy. We decided to share this part of his Initiation Test to encourage... continue reading
posted by iaui 7 years 9 months 2 weeks ago • 699 views • 5:26Predominately found in South and Central America, the Leafcutter Ant is truly an amazing creature. The complexity of teamwork and organization displayed in their societies is 2nd only to human beings and... continue reading
posted by Mordhaus 7 years 11 months 4 weeks ago • 281 views • 8:09YouTube: Opioid Abuse - Opioid drugs can be powerfully effective treatments for those in pain, but they can also be extremely dangerous. This episode explores how opioids can lead to dependence and addiction,... continue reading
posted by PlayhousePals 8 years ago • 149 views • 6:10This is a recent construction from old schematics, in Holland Massachusetts. It took two years to build. The same type of saw could also be powered by water (in Norway they'd call it oppgangs sag). ... continue reading
posted by Aard Vark (oritteropo) 8 years ago • 1,011 views • 8:59Seems safe. What could go wrong?
posted by nock 8 years 2 weeks ago • 255 views • 3:19YouTube: The History of Opioids - We will give a historical overview of people and opioids. We will look at when people first started using opioids, how they’ve changed over the years, and ways that... continue reading
posted by PlayhousePals 8 years 2 weeks ago • 518 views • 8:17This video shows the power that learning art at any age can have.
posted by rubywillow 8 years 3 weeks ago • 41 views • 2:05Published on Apr 1, 2015 Why is it that so many people think they can’t draw? Where did we learn to believe that? Graham Shaw will shatter this illusion – quite literally - in a very practical way.... continue reading
posted by bobknight33 8 years 1 month ago • 29 views • 15:04