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Alaska’s rivers are turning rust-orange and scientists say the cause has been frozen for thousands of years
On a late-summer flight over northern Alaska’s Brooks Range, stretches of river that should look like glass suddenly appear stained the colour of iron oxide. From above, they resemble rust spreading ...
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Turning rust into a razor sharp knife
Turning a rusty bearing into a razor-sharp, shiny butterfly knife — full build process. Details: - Overall weight: 238 g ...
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