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Gyroscope Gives Geezer Superhuman Powers

Hits: 8389 | Rating: (2.5) | Category: Science | Added by: Squrlz4Sale
Jump to: Bottom    Last Post
8BitHero
Male, 18-29, Europe
 5426 Posts
Sunday, May 27, 2012 4:44:49 PM
Good stuff

robosnitz
Male, 40-49, Eastern US
 2752 Posts
Sunday, May 27, 2012 11:19:34 AM
Freakin' sorcery.

Kain1
Male, 18-29, Europe
 1463 Posts
Sunday, May 27, 2012 3:08:05 AM
"It's already decided that it wants to go"

No. He pushed it off in that direction with his left hand and momentum took care of the rest. Wheels do not choose.



Wrong. The angular momentum of the wheel together with the torque centered on the pivot (his right hand) created by gravity is what decides which way it rotates around the the pivot point. If the wheel was spinning in the opposite direction around the axel, it would go the other way around the pivot as well.

whyteman
Male, 30-39, Eastern US
 97 Posts
Saturday, May 26, 2012 3:51:10 PM
"It's already decided that it wants to go"

No. He pushed it off in that direction with his left hand and momentum took care of the rest. Wheels do not choose.

Seriously? stfu.

Squrlz4Sale
Male, 40-49, Eastern US
 6018 Posts
Saturday, May 26, 2012 3:38:42 PM
@Thonious: The path the spinning wheel takes is not a consequence of any initial push the man gives it; it's a consequence of the diameter of the wheel and the direction of its spin. In other words, he could never have twirled the wheel above his head in a counterclockwise direction (unless the spin imparted to the wheel was reversed). That's why he's saying the wheel "knows" where it wants to go and describes it as "a live thing"; all he can do is go along for the ride.

Thonious
Male, 40-49, Western US
 989 Posts
Saturday, May 26, 2012 3:08:38 PM
"It's already decided that it wants to go"

No. He pushed it off in that direction with his left hand and momentum took care of the rest. Wheels do not choose.

Suicism
Male, 18-29, Western US
 3672 Posts
Saturday, May 26, 2012 2:34:43 PM
Wow - in COLOUR Production!

Tiredofnicks
Male, 30-39, Europe
 5040 Posts
Saturday, May 26, 2012 1:58:25 PM
That looks crazy dangerous, I was on the edge of my chair the whole time.

jendrian
Male, 18-29, Canada
 2496 Posts
Saturday, May 26, 2012 12:33:51 PM
yay for angular momentum!

bordo
Male, 50-59, Western US
 909 Posts
Saturday, May 26, 2012 11:00:20 AM
The thing I can't wrap my head around is how gyroscopic force counteracts the gravitional pull of the earth on the 40 pound end.

LordJim
Male, 60-69, Europe
 5494 Posts
Saturday, May 26, 2012 10:40:11 AM
Yay science.

burbclaver
Male, 50-59, Western US
 859 Posts
Saturday, May 26, 2012 10:11:45 AM
Haven't seen Laithwaite in a long time. Is he still alive?

skytz1337
Male, 18-29, Europe
 690 Posts
Saturday, May 26, 2012 10:08:12 AM
it's called gyroscoping precession and the fact is he couldn't do that without spinning himself around

Draculya
Male, 40-49, Asia
 13785 Posts
Saturday, May 26, 2012 9:50:33 AM
I would laugh if he dropped it or the disk got loose. 40 lbs, 13" dia, 2,500 RPM = 67.8k KJ!

It would leave the studio in any direction that it chose to go, through walls and people. I replayed the video and heard him saying it would shoot 200 feet in the air. Sounds about right.

cleanergirl
Female, 30-39, Southern US
 106 Posts
Saturday, May 26, 2012 9:09:11 AM
That was cool.

Squrlz4Sale
Male, 40-49, Eastern US
 6018 Posts
Wednesday, May 23, 2012 5:20:52 AM
Link: Gyroscope Gives Geezer Superhuman Powers [Rate Link] - Sometimes science is just... weird.


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