YouTube: How do breathalyzers work? And will there ever be a breathalyzer for marijuana? As pot has become legal in several states, law enforcement has sought a method to detect marijuana use in drivers.... continue reading
posted by PlayhousePals 6 years 7 months ago • 173 views • 6:31Videos (35) | Sift Talk (0) | Blogs (0) | Comments (1000) |
The purpose of this project was to test a simplified blower design connected to a furnace. I purposely did this to show that people in most natural environments should be able to replicate this design... continue reading
posted by Mekanikal 6 years 8 months ago • 559 views • 9:16Fake framed Time magazine covers featuring Donald Trump dated March 1, 2009 reportedly hang at several of the president's golf courses. Jeff Michael and Sharon Tay report. Time magazine is now asking... continue reading
posted by newtboy 6 years 10 months ago • 31 views • 32 secsThe Lahti L-39 is a Finnish 20 mm anti-tank rifle used during the Second World War. It had excellent accuracy, penetration and range, but its size made transportation difficult. It was nicknamed "Norsupyssy"... continue reading
posted by Mordhaus 6 years 11 months 1 week ago • 134 views • 10:14Doctors in Brazil are using the fish skin to treat burn patients. The treatment, which is part of a clinical trial, is said to reduce healing time by several days.
posted by Mordhaus 7 years 1 month 3 weeks ago • 501 views • 3:34"Larry Smith doesn’t just live with Parkinson’s. He rises above it." "After a 20-year battle with Parkinson’s, Larry has exhausted every conventional method of treatment, every drug, and even... continue reading
posted by Mordhaus 7 years 2 months 3 weeks ago • 635 views • 7:59I built a prawn trap from lawyer cane, sticks and vine. Then I caught some prawns and ate them. Prawn (and fish) traps are simple traps designed to catch aquatic life due to their shape. It consists... continue reading
posted by Mordhaus 7 years 5 months 3 weeks ago • 257 views • 7:16YouTube 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 ago • 811 views • 14:23Lately, mine has been on vacation! YouTube: Today we continue our unit on identity by asking where the mind resides. Hank explains the mind body problem and several approaches to the question of where... continue reading
posted by PlayhousePals 7 years 8 months 3 weeks ago • 47 views • 9:07"Urushiol oil in poison sumac, poison oak, and poison ivy may produce a severe skin rash. Timely urushiol removal can prevent poison ivy skin reaction. The key is to understand how poison ivy works... ... continue reading
posted by ant 7 years 9 months ago • 1,239 views • 5:14Some 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 6 months 3 weeks ago • 177 views • 2:43"But sometimes severely rotten flesh is the only item on the menu."
posted by PlayhousePals 9 years 3 weeks ago • 353 views • 2:48... no Moon River either [or a bad moon on the rise]
posted by PlayhousePals 1 decade 6 months 3 weeks ago • 63 views • 1:57YouTube Description: http://www.ted.com With the drama and urgency of a sportscaster, statistics guru Hans Rosling uses an amazing new presentation tool, Gapminder, to present data that debunks several... continue reading
posted by messenger 1 decade 1 year 9 months ago • 827 views • 20:35Since 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 2 years 11 months 4 weeks ago • 1,238 views • 5:15