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Updated: May 10, 2025
You have surprised this or that insect, motionless on a bough, blissfully basking in the sun. Your hand is raised, open, ready to descend on it and seize it. Hardly have you made the movement when the insect drops to the ground. It is a wearer of armoured wing-cases, slow to disengage the wings from their horny sheath, or perhaps an incomplete form, with no wing-surfaces.
Already there are craft which, provided high speeds are not expected of them, and they are given ample plane-surface, will alight at quite a moderate pace; but in the future, by the use of machines which have the power of increasing or reducing their wing-surfaces while in flight, it should be possible to descend in a space no larger, say, than a garden.
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