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Robert Tymofichuk, a teacher in Alberta, Canada, spent nearly 2,000 hours building an operational hovercraft from salvaged car parts and with no blueprint. By Emmett Lindner See more of our coverage ...

How? Using the air from the balloon! When the air from the balloon was released out of the pop-up bottle top, it shot out and was forced against the flat surface the CD was sitting on. With nowhere to ...