Matthew's Tools on MSNOpinion
Just how hard is diamond? Extreme strength test
From scratching metal to grinding through rock, every test reveals the unmatched toughness of diamond. The results are ...
Amazon S3 on MSN
Learn how nuclear explosions work through basic atomic physics
Breaking down how nuclear explosions function using basic atomic physics and what causes their devastating power.
Every year, Santa Claus races around the globe in a matter of hours to bring presents to children all over the world.
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