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Komando picks

This is the lightest metal on Earth

This metal is light enough to rest on a dandelion. At 99.99% air, there’s no way that this metal could be used for much, but its structure is what gives it strength. While it may not seem like much, Microlattice metal can be used for innovations in aerospace and vehicular technology.

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Stop robocalls once and for all

Robocalls are not only annoying, but they scam Americans out of millions every year. Learn Kim's tricks for stopping them for good in this handy guide.

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