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Artist's depiction of a scintillating scotoma, exhibiting a flashing visual pattern similar to dazzle camouflage used during WWI. Scintillating scotoma is a common visual aura that was first described by 19th-century physician Hubert Airy (1838–1903). Originating from the brain, it may precede a migraine headache, but can also occur ...
Reflection phase change. A phase change sometimes occurs when a wave is reflected, specifically from a medium with faster wave speed to the boundary of a medium with slower wave speed. [1] [2] Such reflections occur for many types of wave, including light waves, sound waves, and waves on vibrating strings. [3]
Jazz improvisation by Col Loughnan (tenor saxophone) at the Manly Jazz Festival with the Sydney Jazz Legends. Loughnan was accompanied by Steve Brien (guitar), Craig Scott (double bass, face obscured), and Ron Lemke (drums). Jazz improvisation is the spontaneous invention of melodic solo lines or accompaniment parts in a performance of jazz music.
This is a list of animated short films.The list is organized by decade and year, and then alphabetically. The list includes theatrical, television, and direct-to-video films with less than 40 minutes runtime.
The focal surface of a Torus consists of the directrix circle and the axis of rotation. The focal surface of a Dupin cyclide consists of a pair of focal conics. The Dupin cyclides are the only surfaces, whose focal surfaces degenerate into two curves. One part of the focal surface of a channel surface degenerates to its directrix.
Acoustic transmission in building design refers to a number of processes by which sound can be transferred from one part of a building to another. Typically these are: Airborne transmission - a noise source in one room sends air pressure waves which induce vibration to one side of a wall or element of structure setting it moving such that the ...
Entoptic phenomena (from Ancient Greek ἐντός (entós) 'within', and ὀπτικός (optikós) 'visual') are visual effects whose source is within the human eye itself. (Occasionally, these are called entopic phenomena, which is probably a typographical mistake.) In Helmholtz 's words: "Under suitable conditions light falling on the eye ...
Today's Wordle Answer for #1087 on Monday, June 10, 2024. Today's Wordle answer on Monday, June 10, 2024, is MANGA. How'd you do?