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Chemical plant zone! - Episode 2 - Sonic the Hedgehog Minecraft pack with Bricks 'O' Brian!

Celebrate over 30 years of the blue blur with this incredible mash-up pack in Minecraft! Travel through three zones playing ...
Interesting Engineering on MSN

Santa at mach speed: How the US Air Force reimagined the Christmas sleigh

While scramjets require a boost from rockets or jet engines to reach operating speed, the AFRL design imagines a sleigh that ...