SpinLaunch
A START-UP called SpinLaunch in California wants to catapult cargo into space, avoiding the need for heavy and expensive rocket fuel.
The concept relies on a centrifuge to spin a payload to high speeds, giving it enough momentum to penetrate the atmosphere.
But whirling a payload around fast enough to reach space would also subject it to g-forces that could damage electronics and rip apart anything remotely fragile. And exiting Earth’s atmosphere without burning up would require lots of heat shielding.
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“It certainly wouldn’t be useful for fragile cargo, e.g. mammals like us,” says space-flight consultant Rand Simberg. But he says it could put fuel, …