Top Qs
Timeline
Chat
Perspective

Pendulum wave

Type of physics demonstration From Wikipedia, the free encyclopedia

Pendulum wave
Remove ads

A pendulum wave is an elementary physics demonstration and kinetic art comprising a number of uncoupled simple pendulums with monotonically increasing lengths. As the pendulums oscillate, they appear to produce travelling and standing waves, beating, and random motion.[1][2][3]

Thumb
Front view
(half-speed)
Thumb
Top view
(half-speed)
SVG animation of a pendulum wave with 12 pendulums, the lowest pendulum making 60 oscillations in one minute, the next 61, and so forth in the animations, tap or hover over a pendulum to pause
Remove ads

History

Ernst Mach designed and constructed the first pendulum wave demonstration around 1867 at Charles-Ferdinand University in Prague. In the Czech Republic, the demonstration is called Mach's wave machine [cs]. Eric J. Heller at Harvard University suggested the use of the demonstration to simulate quantum revival.[1]

In 2001, two University of Minnesota Morris researchers have derived a continuous function explaining the patterns in the pendulums using an extension to the equation for traveling waves in one dimension, and showed that their cycling arises from aliasing of the underlying continuous function.[4]

In 2020, illusionist Kevin McMahon, incorporated a massive pendulum wave apparatus, supposedly with flaming cannonballs, as a stunt in Britain's Got Talent (series 14) under the stage name Kevin Quantum.[5]

Remove ads

Design

Summarize
Perspective
Thumb
A pendulum wave art installation
More information , ...
Thumb
Timeline of the pendulum wave in the animation above
Remove ads

See also

  • Newton's cradle a set of pendulums constrained to swing along the axis of the apparatus and collide with one another

References

Loading content...
Loading related searches...

Wikiwand - on

Seamless Wikipedia browsing. On steroids.

Remove ads