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#1
May 22nd 15, 03:51 AM
posted to alt.binaries.pictures.aviation
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HD pix of Atlas/X-37B launch yesterday
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#2
May 24th 15, 03:04 AM
posted to alt.binaries.pictures.aviation
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HD pix of Atlas/X-37B launch yesterday
On Thu, 21 May 2015 20:51:09 -0500, Byker wrote:
Those insulated towers containing lightning arrestors now surround every launch pad and rocket. Yet they are a recent phenomenon. Past launches, going back to the beginning of rocketry, did not have them. Why the change? If lightning wasn't considered a great danger in the past then why is it considered a great danger now?
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#3
May 24th 15, 06:55 AM
posted to alt.binaries.pictures.aviation
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HD pix of Atlas/X-37B launch yesterday
"Joe Genteel" wrote in message
news  Why the change? If lightning wasn't considered a great danger in the past then why is it considered a great danger now? Probably because the micro-circuitry of today is a lot more sensitive to electrical surges than in years past. The vacuum-tube and early transistor eras were considered "ironclad" by today's standards.
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