Ads
related to: prongs of a tuning fork
Search results
Results from the WOW.Com Content Network
A tuning fork is an acoustic resonator in the form of a two-pronged fork with the prongs formed from a U-shaped bar of elastic metal (usually steel). It resonates at a specific constant pitch when set vibrating by striking it against a surface or with an object, and emits a pure musical tone once the high overtones fade out.
An impossible trident, [1] also known as an impossible fork, [2] blivet, [3] poiuyt, or devil's tuning fork, [4] is a drawing of an impossible object (undecipherable figure), a kind of an optical illusion. It appears to have three cylindrical prongs at one end which then mysteriously transform into two rectangular prongs at the other end.
The terms tine and prong are mostly interchangeable. A tooth of a comb is a tine. The term is also used on musical instruments such as the Jew's harp, tuning fork, guitaret, electric piano, music box or mbira (kalimba) which contain long protruding metal spikes ("tines") which are plucked to produce notes.
A prong of the tuning fork is wound with a coil fed by a variable frequency power supply. A variable flux density circulates between the two prongs and some dynamic magnetic forces appear between the two prongs at twice the supply frequency.
Experiment using two tuning forks oscillating at the same frequency.One of the forks is being hit with a rubberized mallet. Although the first tuning fork hasn't been hit, the other fork is visibly excited due to the oscillation caused by the periodic change in the pressure and density of the air by hitting the other fork, creating an acoustic resonance between the forks.
When it comes to adapting traditional Thanksgiving flavors to a sports arena, Fuller says the trick is ensuring fans can walk around and eat, without needing to sit down with a knife and fork.
The Blivet, also known as the Devil's tuning fork, an impossible object and optical illusion; Bidens frondosa, an herb native to North America; The Twin lead of TV antennas, as well as video game RF switches.
This set comes with six essential cheese knife shapes, everything you need to slice cheddar, spread camembert, and fork your favorite gouda. $13 at Walmart. Kusmil.
Ads
related to: prongs of a tuning fork