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Resonance Square

A cool physics demonstration: when a two dimensional object is vibrated, patterns of waves can be seen. The sand on the plate collects in the nodes, or areas of no motion, of the waves. WARNING - DO NOT PLAY LOUD!

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4.53 out of 5 based on 130 votes

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15 Comments

Current View: 15 / Show all Comments

museves : LVL 16: VP 2.5: said:

museves

3 votes NegativePositive

1304 days 15 hours ago...

science RULZ

VegaObscura : LVL 34: VP 4.2: said:

VegaObscura

0 votes NegativePositive

1304 days 14 hours ago...

Anyone attempting to use "tight" as a compliment automatically gets their post voted negative from me. Anyone care to join me in doing this?

de_mystiX : LVL 1: VP 1: said:

de_mystiX

0 votes NegativePositive

1304 days 13 hours ago...

evergrim - This stuff has been around since the 1940s 1950s...ish - do a search on cymatics

3ntropy : LVL 21: VP 3: said:

3ntropy

2 votes NegativePositive

1304 days 13 hours ago...

thanks, 03_pirate for the warning.

Nirawen : LVL 1: VP 1: said:

Nirawen

0 votes NegativePositive

1304 days 12 hours ago...

Evergrim its called a Chladni Plate. Do a search for Ernst Chladni, Creator of the Chladni Law and the Chladni Plate / Figure

downfallen : LVL 1: VP 1: said:

downfallen

-2 votes NegativePositive

1304 days 11 hours ago...

resonance.... that's not a resonance i think... only the vibration of the plate with high frequency

WeaponX23 : LVL 12: VP 2.1: said:

WeaponX23

0 votes NegativePositive

1304 days 11 hours ago...

kool but dam that sound is carzy loud

Bringrice : LVL 13: VP 2.2: said:

Bringrice

-4 votes NegativePositive

1304 days 11 hours ago...

Its impossible to have a 2d object in a 3d universe idiot

n0cturnal : LVL 31: VP 4: said:

n0cturnal

0 votes NegativePositive

1304 days 11 hours ago...

MY EARS!

nimmo : LVL 12: VP 2.1: said:

nimmo

0 votes NegativePositive

1304 days 11 hours ago...

Oh man, my dog just ran away to a 2D universe. Oh wait, I don't have a dog in a 3D universe. WTF?

David Gilmour : LVL 29: VP 3.8: said:

David Gilmour

2 votes NegativePositive

1304 days 10 hours ago...

Beautiful music it played... This is kinda stupid, but were did those 'designs' done purpously? Or does it just look like that by accident... pretty cool!

z3 : LVL 20: VP 2.9: said:

z3

0 votes NegativePositive

1304 days 10 hours ago...

oh yeah, that was tight!

i_like_beans : LVL 27: VP 3.6: said:

i_like_beans

0 votes NegativePositive

1304 days 9 hours ago...

i am so glad you didnt title this as an illusion. haha yeh nimmo, my dog flipped out and started whining

kensei : LVL 20: VP 2.9: said:

kensei

4 votes NegativePositive

1304 days 9 hours ago...

bringrice- Its impossible to have a 2d object in a 3d universe idiot
-------------------------------

I think he meant to say that the demonstration is suposed to be viewed with respect to 2 dimensions. otherwise you would see 3-dimensional patterns which would be hard to do in this case due to gravity.

:x

kensei : LVL 20: VP 2.9: said:

kensei

0 votes NegativePositive

1304 days 9 hours ago...

David Gilmour - Beautiful music it played... This is kinda stupid, but were did those 'designs' done purpously? Or does it just look like that by accident... pretty cool!
-------------------------------------

It wasn't done purposely, those spots (like someone said above) are just the "anti-nodes" where the waves have constructive interference.

Everything in nature has precise gemoetric shapes, from the atomic level to the galactic level. Allegedly "quantum foam" doesn't, but it's the exception.

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