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X Greetings! You are not currently logged in, but please don't let that stop you from voting up any videos you like. :)
 
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Brief
posted by demon_ix  15 hours 52 minutes 40 seconds ago • 3 comments • 480 views

 
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15

BBC Horizon - Who's Afraid of a Big Black Hole?

tags: science, physics, bbc, astronomy, universe, black holes

Aired 11-3-09 on the BBC. Playlist: http://www.youtube.com/view_play_list?p=58211B49FA51CBF3 "Black holes are one of the most destructive forces in the universe, capable of tearing a planet apart... more inside
posted by Nonbrainwashed  1 day 12 hours 39 minutes ago • 2 comments • 408 views
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18

Augmented reality pool and pool playing android

tags: billiards, robots, augmented reality, fondle, my, balls

The RCVLab at Queen's University demonstrates Deep Green, a pool playing robot, and ARPool, an augmented reality system for teaching the science of pool.
posted by zor  1 month 2 weeks ago • 2 comments • 387 views
 
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22

James Randi At Caltech On Proving A Negative

tags: james randi, caltech, 1992, prove, negative, santa, reindeer, flying, experiment

At least the reindeer experiment will confirm the theory of gravity, if nothing else.
posted by demon_ix  1 day 14 hours 36 minutes ago • 1 comment • 453 views
 
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16

Colbert Report 11/4/09: Formidable Opponent - Global Warming

tags: Stephen Colbert, Al Gore, Environment, Economy, Our Choice, Do Nothing, Make Changes

CR: Wednesday, November 4, 2009 Formidable Opponent - Global Warming With Al Gore Al Gore explains to Stephen and Stephen that stopping global warming doesn't have to hurt the economy. (05:00)
posted by littledragon_79  2 days 7 minutes ago • 3 comments • 374 views
 
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15

Learn Calculus in 20 minutes

tags: Calculus, derivatives, functions, integrals, Edward Burger, educational

The basics of Calculus 1 condensed into less than 20 minutes. Good luck.
Long
posted by Ornthoron  2 days 21 hours 57 minutes ago • 5 comments • 551 views
 
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134

Richard Dawkins: One Fact to Refute Creationism

tags: Dawkins, creationism, genes, genome, dna, evolution, geology

YT description: "Dawkins identifies what he views is the single most compelling fact to refute Creationism -- but states that the real problem lies in convincing Creationists to listen to the evidence."
posted by Ornthoron  3 days 12 hours ago • 18 comments • 3325 views
 
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127

Lock Detects Secret Knock

tags: lock, detect, secret, knock, rhythm, piezoelectric, piezo, electric, code, unlock

Why do I not have one of these for every door in my house.
posted by wingnut  3 days 15 hours ago • 23 comments • 5807 views
 
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Long
posted by demon_ix  4 days 3 hours 23 minutes ago • 13 comments • 1676 views
 
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13

Uncovering the True Structure of Andromeda Galaxy

tags: andromeda, galaxy, spiral, colliding galaxies, m31, m32

Andromeda is no longer a spiral galaxy. Here's why.
posted by longde  6 days 4 hours 1 minute ago • 4 comments • 373 views
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Brief
posted by KnivesOut  1 week ago • 2 comments • 461 views
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24

Count The Mistakes In This Homeopathy Lecture

tags: homeopathy, terrible, energy, sham, woo

Orac lays out the most obvious mistakes here: http://scienceblogs.com/insolence/2009/10/your_friday_dose_of_woo_on_wednesday_a_h.php “Actually, Werner is right about one thing. Homeopathy is kind... more inside
posted by Haldaug  1 week ago • 9 comments • 631 views
 
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23

The Day After Trinity trailer

tags: J Robert Oppenheimer, Manhattan Project, Hiroshima, Nagasaki

The Day After Trinity is a 1980 documentary about Dr. J Robert Oppenheimer and his role in the Manhattan Project. "The glitter of nuclear weapons. It is irresistible if you come to them as a scientist.... more inside
posted by JesseoftheNorth  5 days 20 hours 37 minutes ago • 2 comments • 353 views
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95

Brian Cox at TEDtalks on the Large Hadron Collider

tags: lhc, brian cox, cern, particle, collider, experiment

"Rock star physicist" Brian Cox talks about his work on the Large Hadron Collider at CERN. Discussing the biggest of big science in an engaging, accessible way, Cox brings us along on a tour of the massive... more inside
Long
posted by BicycleRepairMan  1 year 6 months 1 week ago • 15 comments • 2903 views
 
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16

How to locate and see Andromeda Galaxy w/ binoculars

tags: m31, andromeda, cassiopia, pegasus, binoculars, space, galaxy

An interesting and clear video on how to view our closest galactic neighbor, Andromeda.
posted by longde  1 week ago • 1 comment • 447 views
 
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62

Water droplets bouncing around on a sheet of water

tags: drop, droplets, slow motion, liquid, surface tension, Time Warp

You may have seen water droplets in slow motion before, but I would guess you have never seen this!
posted by Ornthoron  1 week 1 day ago • 4 comments • 4351 views
 
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36

Brian Cox on The Colbert Report

tags: lch, time, cern, cox, hadron, collider, physics, time, science

Brian Cox discusses relativity and describes what it's like to be named one of People Magazine's sexiest men alive. (06:05)
posted by BicycleRepairMan  1 week 1 day ago • 7 comments • 1136 views
Region Blocked
 
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15

TDS: Steven Levitt on Super Freakonomics

tags: TDS, Steven, Levitt, Super, Freakonomics, global warming, prostitution, morality

Steven Levitt creates controversy by exploring prostitution and alternative solutions to global warming. 10/27/09
posted by MikesHL13  1 week 1 day ago • 1 comment • 300 views
 
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94

Fanwing - Incredible New Form of Aircraft

tags: fanwing, aircraft, fan, lift, vtol, uav, flying, lawnmower

Guy replaces wing and propellor with an entirely new method of using a horizontal axis fan instead aerofoil wing. A little clumsy looking as a prototype, but given the years since the airplane was invented... more inside
posted by raverman  1 week 1 day ago • 13 comments • 7516 views
 
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19

Solar Death Ray!

tags: Solar, Magnifying glass, Projection Tv, melt

Turn your big screen projection tv into a huge solar death ray. Entertain your friends, Melt your enemies!
posted by raverman  1 week 2 days ago • 4 comments • 428 views

Top Sift for Nov 7th, 2009

Friends O' the Sift
Top 15 Science Sifters of All Time
1. mauz15  (5292 votes)
2. arvana  (3964 votes)
3. BicycleRepairMan  (3202 votes)
4. kronosposeidon  (3034 votes)
5. eric3579  (2255 votes)
6. Haldaug  (2192 votes)
7. silvercord  (1486 votes)
8. guitarwolf  (1388 votes)
9. jwray  (1349 votes)
10. Ornthoron  (1333 votes)
11. deputydog  (1231 votes)
12. kulpims  (1127 votes)
13. demon_ix  (1117 votes)
14. oxdottir  (1110 votes)
15. dystopianfuturetoday  (1088 votes)
Top 15 Science Sifters of the Past Week
1. Ornthoron  (149 votes)
2. wingnut  (127 votes)
3. demon_ix  (105 votes)
4. JesseoftheNorth  (23 votes)
5. longde  (16 votes)
6. littledragon_79  (16 votes)
7. Nonbrainwashed  (16 votes)
8. intertuber  (10 votes)
9. TheFreak  (9 votes)
10. arvana  (8 votes)
11. EndAll  (6 votes)
12. BicycleRepairMan  (6 votes)
13. Hybrid  (3 votes)
14. yourhydra  (3 votes)
15. atara  (3 votes)