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Bob paused in opening his window to toss a satisfied glance at his neighbors working hard to shovel their driveways, then tossed a small package into the snow coating his driveway, and went to sleep. When he woke up later, his driveway was completely clear, and he felt satisfied. He headed to work later
through the clear driveway.
The snow clear works in a very simple way. It is a small package made of magnesium and a smaller amount of iron. when thrown, upon contact with the cold of the snow, it ignites, burning very hot and throwing off sparks. It burns for less than a minute, and melts the snow effort free.It is non explosive.
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Annotation:
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Can we have some figures, taking into account the mass of snow and the mass of Mg/Fe required?
Use of the "Shift" key is recommended. |
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The thermite melts the snow. The water at just above freezing runs away from region of device into cooler regions, and freezes back into ice ........ [-] for the consequences but [+] for imaginative, dangerous and inadvisable use of pyrotechnics, so neutral. |
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//upon contact with the cold of the snow, it ignites//
because, of course, the snow is colder than the air... [-] |
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//Bob paused in opening his window to toss a satisfied glance at his neighbors working hard to shovel their driveways//
You see, I was with you there but then it all went a bit awry. Needs work. Neutral. |
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I thought clearing snow covered driveways was one of the many reason people have children? |
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//I thought clearing snow covered driveways was one of the many reason people have children//
You mean, they're lazy, they don't clear the snow away, go back to bed and... |
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