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In Case You Missed it

Alternative Energies

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They may be largely unknown today, but two French brothers were among those exploring battery-powered flight in the 1880s. By Dean Sigler.

Measuring Antennas

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Freely admitted, my very early experience with antennas was confined to looking at a...

Stressing Structure: Margins of Safety

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Margins of Safety.

Risky Business: Checklists

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Giving the madness method.