> I've seen so many of these proposals over the years. It's all nuclear-grade hopium with a massive flaw or huge, highly theoretical unknown. Always. True, the

> I've seen so many of these proposals over the years. It's all nuclear-grade hopium with a massive flaw or huge, highly theoretical unknown. Always. True, the planet shell thing is nuclear grade hopium. But negative energy is big bang level hopium. This is a big downgrade.