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“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) 4 years 12 months ago • 168 views • 20:41Here's a fast method to find the center of boards and other objects without using a tape measure or figuring math! In 2 minutes you'll learn how to use a speed square or combination square (VERY common... continue reading
posted by BSR 5 years 9 months 3 weeks ago • 26 views • 2:27In which Cliff Stoll enthusiastically explains the geometry of his 5 sided square. (H/T @eric3579)
posted by Aard Vark (oritteropo) 5 years 9 months 3 weeks ago • 691 views • 9:15At 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 6 years 3 months ago • 407 views • 7:08YouTube description: Featuring Tadashi Tokieda - more Tadashi videos at: http://bit.ly/tadashi_vids Tadashi Tokieda is a Professor of Mathematics at Stanford University (though this was filmed when... continue reading
posted by Aard Vark (oritteropo) 6 years 3 months ago • 279 views • 3:24"Entire story arcs of Square One TV's Mathnet in order of production..."
posted by ant 7 years 1 month ago • 16 views • 18:12:15As urban populations continue to rise, innovators are looking beyond traditional farming as a way to feed everyone while having less impact on our land and water resources. Vertical farming is one solution... continue reading
posted by Mordhaus 7 years 11 months ago • 832 views • 3:38I made a rough type of textile from bark fibre. This is the same tree I use for making cordage though I don’t know its name. It has been raining a lot here lately (the video also shows how well the hut... continue reading
posted by Mordhaus 8 years 1 month 1 week ago • 639 views • 4:48This 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 4 weeks ago • 5,392 views • 4:37YouTube Description: What would you see if you were drifting through space, looking back at the sun? Well its light intensity would decrease as the inverse square of distance from the sun. And you would... continue reading
posted by Aard Vark (oritteropo) 1 decade 1 year 3 months ago • 569 views • 3:06From YT: We discuss the number 16 - a perfect square - and how sitting at table 16 led to something bigger for Matt Parker. In this video is Dr Ria Symonds from the University of Nottingham. And... continue reading
posted by Skeeve 1 decade 2 years 6 months 2 weeks ago • 1,059 views • 5:35Simple. Brilliant. Simply brilliant.
posted by hpqp 1 decade 2 years 11 months 2 weeks ago • 2,106 views • 3:14Since it is Labor Day in a good part of the world, here is a video about the incidents at Haymarket Square following the call for workers to strike on May 1st. It picks up on May 3rd. The events would... continue reading
posted by RFlagg 1 decade 3 years 1 month 1 week ago • 1,238 views • 5:15- 1