Hyperloop startup Arrivo's plans for super-speedy transportation have finally arrived with an ambitious new system for Denver, Colorado — but don't expect to see any of the bulky vacuum tubes that ...

First proposed by Elon Musk, the theoretical transportation system we call hyperloop would propel people- or cargo-filled pods over long distances through steel tubes. Magnetic levitation and big ...

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Virgin Hyperloop intends to send pods rushing through a low-pressure tube at 670 miles per hour — but its first passenger test fell short of that. While speed is impressive, Josh Giegel, a cofounder ...