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Wednesday, February 26, 2014

Aerogel


So, in the novel, a comet is going to hit Earth. A big comet. (This is not a spoiler as this happens very early in the novel, its where the story starts.)

I've invented a way to eliminate the comet (the method I used later plays into the story). But, what I want to know is: am I going into too much detail? Should I just skim over an approximation of how its done, or maybe, no explanation at all is required? (The orange aerogel is featured in several later chapters, and by the way, is a real thing: Wikipedia explanation, and it really has been used to catch comet dust: NASA Stardust Mission.)

"Projections for impact were dire, from massive earthquakes and volcanic eruptions to a change in the earth’s axis from the impact, ultimately resulting in catastrophic changes to our relationship with the sun. Many scientific schemes were proposed to either eradicate the comet or to move it off course. In the end, its size prevented the latter solution from being viable with available science and materials, so eradicating or minimizing it became the focus. Laser technology was not yet advanced enough to take out an object flying at that speed; nuclear warheads were too imprecise and posed other negative side effects. Despite having the ability to track the comet’s path, humans did not yet possess space travel technology to send humans safely on a mission to take out the comet closer to where it originated."


"Given these limitations, the team adopted a multi-pronged approach. Satellites were put in orbit around the comet, first for tracking, then for probe insertion. Each diamond tipped probe would carry multiple chemical payloads, the first being a caustic acid, capable of boring through nearly any material on earth, released from a hole in the synthetic diamond tip. This acid, combined with heat delivered on initial impact, would bore clean holes into the ice and then into the rocky core. Each probe was equipped with a GPS tracker and unique ID for identification. Almost two thousand probes were embedded at key fracture points deep within the comet’s core. When the time was right, they would all be remotely triggered with precise timing."

"The trigger event would open chambers inside each probe, combining chemicals that would create a powerful blast at thousands of carefully calibrated points for maximum damage and minimal fragment size. The orbiting satellites would have a secondary role to play, self-destructing nanoseconds before the blast and bursting into a sticky, fluffy foam substance – “aerogel” - to capture as much of the debris from the blast as possible and float it to Earth in the gel. The blast location in space would be timed to maximize potential of any remaining fragments falling to earth over Antarctica."



Thoughts on the above excerpt?
  • Too wordy? 
  • Too complicated? 
  • Too much information?

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