As an aircraft approaches the barrier, increases in drag and other effects make it difficult to continue accelerating. At sea level and 68 degrees Fahrenheit, the speed of sound is approximately ...

Breaking the sound barrier. By Susan King . July 23, 2006 12 AM PT . Share via Close extra sharing options. ... “Don Juan” had no dialogue, just a synchronized musical score and sound effects, ...

Langley engineers recognized the potentially deadly hazards of high-speed flight well before the Nov. 4, 1941, crash of a P-38 Lightning whose tail sheared off in the pullout from a steep dive. As … ...

Reaching and surpassing the speed of sound has a noticeable effect. It doesn't matter the size or shape of the object; once it passes the sound barrier, it will produce a sonic boom.

NOVA spoke with him on the eve of the 50th anniversary of the breaking of the sound barrier. ... In effect these airplanes were to be research tools using the sky as a laboratory.

This effect is achieved by breaking the sound barrier at a high enough altitude, with exact speeds varying based on atmospheric conditions." This is significant for Boom's future in supersonic travel.

Working gradually from high, manic, flute-like tones to massive brushstrokes of sound, the piece conjured up a quality of luminous abstraction, and the effect was even romantic, in its way.

Two weeks ago, Boom Supersonic’s XB-1 demonstrator plane made history when it broke the sound barrier over the continental United States, reaching 750 miles per hour (Mach 1.12) near Barstow, ...