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 4 months 4 weeks ago • 613 views • 19:06Videos (71) | Sift Talk (0) | Blogs (0) | Comments (108) |
What if there is a way to destroy the universe so fundamentally that life as we know it will be impossible forever?
posted by Mordhaus 7 years 6 months ago • 509 views • 5:59YouTube: Virtual particles are a way of talking about fields and their interactions as though particles are doing all the work. This is why there is some controversy around using the term 'virtual particles'.... continue reading
posted by PlayhousePals 7 years 7 months 2 weeks ago • 26 views • 8:43WHEEEEE! YouTube: Roller coasters give people the opportunity to experience physics in dramatic ways. In this episode of SciShow, we break down how physics work on roller coasters to give you the ride... continue reading
posted by PlayhousePals 7 years 8 months ago • 71 views • 3:39YT: 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 8 months 1 week ago • 828 views • 4:06There are cosmic snipers firing at random into the unvierse. What are they and what happens if they hit us?
posted by Mordhaus 7 years 8 months 4 weeks ago • 316 views • 7:14YouTube description: Did you play with glow in the dark toys as a kid? They’re super cool, but kind of mysterious. How do they glow after all? Hank explains the phenomenon in this quick question. ... continue reading
posted by Aard Vark (oritteropo) 7 years 9 months ago • 129 views • 2:37How to yo-yo without a string attached... So many crazy tricks and the science that makes it possible.
posted by Mordhaus 7 years 10 months ago • 437 views • 4:52There's a titan arum - a corpse flower - blooming at the Eden Project in Cornwall. For years, it stores energy: and then for 48 hours, it heats up and sends out the smell of decay and death through the... continue reading
posted by blacklotus90 7 years 10 months 1 week ago • 66 views • 2:55From YT: Captain Disillusion teams up with Beakman of' Beakman's World' to examine some free energy claims on YouTube, in the most '90s way possible. [The honest to god Beakman... Beakman was sort... continue reading
posted by RFlagg 7 years 10 months 4 weeks ago • 783 views • 12:07Cooking and leaching Black bean to remove the poison making it safe to eat. A basket was made to leach the poison out in a stream. Also shown are Atherton Oak nuts. The Aboriginal artifacts found near... continue reading
posted by Mordhaus 7 years 11 months ago • 299 views • 4:51YouTube: We’ve all heard the rumor that certain foods provides less calories than it takes to digest. Is this true?
posted by PlayhousePals 7 years 12 months ago • 299 views • 1:56The ultimate in organic recycling
posted by PlayhousePals 8 years 1 month 3 weeks ago • 157 views • 3:12YouTube: Cooked food smells and tastes great but how did we evolve to love cooked foods over raw foods?
posted by PlayhousePals 8 years 5 months 2 weeks ago • 461 views • 5:35Too bad there are so many who can't get their heads around the facts. YouTube: Bill Nye boils down the basic facts surrounding climate change, and why the rate at which our planet is changing is so important
posted by PlayhousePals 8 years 6 months 1 week ago • 738 views • 1:06YouTube: Fireflies, crustaceans, jellyfish -- lots of living things glow, and they do it for all kinds of reasons, some of which we haven’t even discovered yet.
posted by PlayhousePals 8 years 6 months 3 weeks ago • 76 views • 4:24"Like a dumpster on a hot day, a warmer plant will smell a lot worse."
posted by PlayhousePals 8 years 8 months ago • 142 views • 4:14I am the opposite of this ... and now you know.
posted by PlayhousePals 8 years 9 months 3 weeks ago • 193 views • 5:28YouTube: The internet uses a lot of energy! But people have come up with ways to make it more efficient.
posted by PlayhousePals 8 years 11 months 2 weeks ago • 28 views • 4:39