¶ Airspace Technology Environment Controls (2)
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"same manner that great fleets of ships can come into harbor in one day and vanish the next. Yona Friedman’s return to the science of architecture is not only intuitively sound but very practically sound. He writes in a way that should be very understandable in general and should help prepare for this severe reorientation in human affairs.
"The architects of the Boeing-747 have produced a 400-occupant, sky-dwelling device able to move through the air at 10 times the velocity of hurricanes. The atmospheric resistance increases as the second power of the speed, which means, in this case, 10² = 100, ergo the ferocity of the interaction of the Boeing 747 and the air is a hundredfold the energetic ferocity of a hurricane.
“When the captain of a Boeing 747 tells the passengers over the intercom to fasten their seat belts because it is going to be a little bumpy, the plane travelling at 10 times the velocity of a hurricane may be about to pass through vertical thermals, one outbound from the Earth at 100 miles per hour, the other inbound toward the Earth also at 100 miles per hour. The stresses the 747 endures going through opposing thermal shears”
