Acoustics, Physics, Demos
Loading...
57
subscribers
244,444
video views
Uploaded videos
1-10 of 28-
Mode Shapes for a Circular Membrane (improved version)
drdanku
107 views
There is NO AUDIO for this video (perhaps I can overdub some explanation later).
Vibrational mode shapes observed on a circular rubber membrane. Filmed at 1000fps with ...
-
Response of a mass-spring system to a driving force
drdanku
97 views
A plot of the frequency response (displacement versus frequency) of a driven, damped mass-spring oscillator is often broken up into three regions, in terms of what happens ...
-
Lacrosse Practice Ball Squishing
drdanku
92 views
A soft practice LaCrosse ball squishes when thrown against the sidewalk. Capturing the collision at 1200fps shows the deformation of the ball when it hits the sidewalk.
-
Motion of Plucked String
drdanku
1,675 views
What happens to a string when it is plucked?
-
Acoustic Propulsion Part 2 (measurement of thrust)
drdanku
715 views
I attempted to measure the amount of acoustic thrust by placing the acoustic resonator (Christmas tree ornament = spherical Helmholtz resonator) on a precise scale, driving...
-
Acoustic Propulsion
drdanku
1,754 views
Two spherical Helmholtz resonators (glass Christmas tree bulb ornaments) connected by a thin rod and suspended from a thread will rotate when driven at their resonance freq...
-
Bending Light
drdanku
1,361 views
Fish tank filled with sugar water solution (5 parts water, 1 part corn syrup) and left to settle over the weekend results in an index of refraction that varies with depth (...
-
The Sound of the Vuvuzela Explained
drdanku
2,929 views
I'm a physics professor who does research in acoustics and vibration, and when one of my students brought me a Vuvuzela to play with, we had to test it in our acoustics lab...
-
Tennis Racket Theorem
drdanku
1,715 views
A fascinating observation about the rotation of a tennis racket (or ping-pong paddle) is that the racket flips over if rotated freely about one of its primary axes. This is...
-
Centrifugal Force on Rotating Water Container
drdanku
11,890 views
When a container of water is at rest (in an inertial reference frame) the surface of the water is flat (horizontal). However, when the container of water is placed on a ro...
Advertisement
Play all(28)