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The histo ry o f flying is a goo d example to loo k at in detail fo r insight into the interactio n o f techno lo gy with human affairs, because two radically different techno logies were co mpeting fo r survival- in the beginning they were called heavier-than-air and lighter-than-air. The airplane and the airship…
The rocket equation contains three variables. Given any two of these, the third becomes cast in stone. Hope, wishing, or tantrums cannot alter this result. Although a momentum balance, these variables can be cast as energies. They are the energy expenditure against gravity (often called delta V or the change in rocket…
“The progress of religion is defined,” writes the early-twentieth-century philosopher Alfred North Whitehead, “by the denunciation of gods.” Gods become fewer in number until there is only one—or a Father, Son and Holy Ghost adding up to one. And the qualities of the lonely God that is left are also denounced. He…
In the Solomon Islands, as many people know, the natives didn't understand the airplanes which came down during the war and brought all kinds of goodies for the soldiers. So now they have airplane cults. They make artificial landing strips and they make fires along the landing strips to imitate the lights and this…