The vibrations of the lips, focused and amplified by the mouthpiece and directed into the tube, cause the column of air inside the tube to vibrate, and as in all wind instruments, the vibrating air column produces the sound of the instrument.
The truly nasty fluttering of the gills was achieved by another man, out of shot, pumping air through a tube into bladders on Mr Chapman's dorsal fin.
The closest she could come was a memory of snorkeling, trying to draw in air from a plastic tube clogged with seaweed.
His device will reportedly stream damp air containing microscopic water particles through a tube, while a laser diode beams light through the vessel onto a sensor located on the opposite side.
When the rubber sack makes contact with an object, whether a glass, a pen, or other hard item, a narrow inner tube sucks a small percentage of air out of the sack, making it contract and conform to the shape of the object it touches.
Dr Chris Guz explained that patients often reacted as the breathing tube of the ventilator was placed in their air passage.
One is to change the length of the tube, and thus the length of the vibrating air column.
The heating and cooling systems use air that has been earth-tempered drawn into a large tube and passed through the ground, which has a consistent temperature that is cool in the summer and warm in the winter.
Later, the a tube can be passed down the throat or nasal passages so that air can be mechanically forced in by a bag or a ventilator.
The tube, resting inches below the pregnant mom's mouth, sucks air into a special filter, giving an approximate measurement of the air that she is breathing.
Among the benefits promised under the new arrangement are a new tube line, a cap on fares, more late-night trains and air conditioning to prevent sweltering summertime conditions.
Early research involved a colleague lying in a deckchair in the night-time open air with a piece of string to measure the meteors, while he observed electromagnetic signals on a cathode-ray tube in a nearby hut.
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