Let's say you're traveling at 17,500 miles per hour (28,000 km/h) in low earth orbit, your main engines are out of fuel, and it's your job to guide the spaceship through a fiery re-entry without burning... continue reading
posted by Ashenkase 6 years 10 months ago • 114 views • 17:49Videos (42) | Sift Talk (0) | Blogs (0) | Comments (1000) |
YouTube: Over 100,000 metric tons of caffeine are consumed around the world every year. That’s equivalent to the weight of 14 Eiffel Towers! Caffeine helps us feel alert, focused, and energetic, even... continue reading
posted by PlayhousePals 6 years 10 months ago • 659 views • 5:15Humans emit roughly 30 to 40 billion tons of the greenhouse gas, carbon dioxide, into the atmosphere each year. If we keep it up, Earth will continue to heat up and ultimately devastate our way of life. ... continue reading
posted by newtboy 6 years 11 months 2 weeks ago • 107 views • 2:18YT: Inside the beautiful Alnwick Garden, behind a locked gate, there's the Poison Garden: it contains only poisonous plants. Trevor Jones, head gardener, was kind enough to give a guided tour!
posted by Fantomas 6 years 11 months 3 weeks ago • 187 views • 4:34YouTube: Facts and data alone won’t inspire people to take action in the fight against global warming. So what will?
posted by PlayhousePals 6 years 11 months 3 weeks ago • 690 views • 8:15YouTube description: Meet Professor Jamie Seymour, he milks stuff. But nothing that moos, has hooves, wool or fur. He prefers to live life on the edge, milking the venom from the most venomous animals... continue reading
posted by Aard Vark (oritteropo) 7 years 2 months 1 week ago • 176 views • 4:26In this video I build a garden to grow Cassava and yams, two staple food crops. Cassava is a shrub that develops large edible roots. Yams are a climbing vine that produce large, edible underground bulbs... continue reading
posted by Mordhaus 7 years 2 months 2 weeks ago • 99 views • 6:27YouTube: Being polite isn't enough to win one friends. One needs also to learn the art of being warm: this begins with having the right sort of relationship to our own weaknesses and foibles
posted by PlayhousePals 7 years 4 months 3 weeks ago • 81 views • 4:32Join the world’s transition to sustainable energy. Powerwall 2 is a battery for homes and small businesses that stores the sun’s energy and delivers clean, reliable electricity when the sun isn’t... continue reading
posted by newtboy 7 years 6 months 2 weeks ago • 279 views • 19:04YouTube description: Bill reveals the stunning engineering underlying the design of a diaper. He describes the five layers of a diaper, including the superabsorbent polymer in the diaper's core. He... continue reading
posted by Aard Vark (oritteropo) 7 years 11 months ago • 337 views • 6:34The Most Dangerous Stretch of Water in the World: The Strid at Bolton Abbey, Yorkshire I know, I know, it's a clickbait title^. But I stand by it, because the water is so deceptive, and so pretty, and... continue reading
posted by eric3579 8 years ago • 3,374 views • 2:17I made this bow and arrow using only primitive tools and materials.The bow is 1.25 m (55 inches) long and shoots 60 cm (2 feet) long arrows. I don't know the draw weight - safe to say greater than 15 kg... continue reading
posted by Mordhaus 8 years 1 month 2 weeks ago • 621 views • 5:54"At first glance, the asp caterpillar looks cuddly enough to pet. And amazingly, it also happens to resemble Donald Trump’s hair. And this caterpillar is also super poisonous. The pain from its injected... continue reading
posted by blacklotus90 8 years 1 month 2 weeks ago • 13 views • 1:38YouTube Description: Jellyfish don’t have a heart, or blood, or even a brain. They’ve survived five mass extinctions. And you can find them in every ocean, from pole to pole. What’s their secret?... continue reading
posted by Aard Vark (oritteropo) 8 years 7 months ago • 170 views • 2:56Some are having fun trying [or so it seems]. YouTube: There are a lot of nuclear weapons on Earth, so many that we often say it’s enough to “destroy the world several times over.” But could we?... continue reading
posted by PlayhousePals 8 years 7 months 1 week ago • 177 views • 2:43A tribute, here is a little compilation of the cool experiments he did in his classes. If you are lucky enough to get to take this man's class, you are obligated to become a chemist.
posted by newtboy 8 years 12 months ago • 1,245 views • 2:58"No one should be under the illusion that marijuana has no harms." Happy 420 Sifters! YouTube: There's just no way to talk about marijuana without someone completely misinterpreting what I say. Some... continue reading
posted by PlayhousePals 9 years 3 weeks ago • 257 views • 5:48OOOHHHHH MUUUHHHH GAWD. Either I shit too much or not enough, there is no balance with Crohns disease. Thinking a garden hose up the ass and turning the valve would be a good remedy. Why not... continue reading
posted by BoneRemake 9 years 6 months ago • 665 views • 57 secsWoof! YouTube: Dogs do a lot of weird things, and sometimes they’re funny enough to post on Tumblr. But before you do, make sure li’l Scamp isn’t doing any of these three things -- because they spell... continue reading
posted by PlayhousePals 9 years 8 months 2 weeks ago • 179 views • 3:23This is taken from a radio show called Science Friday. This is about a couple who were inspired to design and build their own tiny house with mobility because they were tired of paying 1200 monthly in... continue reading
posted by Issykitty 1 decade 10 months ago • 5,391 views • 4:37