When it comes to generating energy, Robert Heinlein's maxim definitely applies: "There ain't no such thing as a free lunch." For now, the Sun continues to shine. If it stops any time soon, I guess you'll have a few hours, at most, to blame me.rnBelinda and I first heard about extracting zero-point energy from the vacuum long before the news feeds got excited. Invariably the earliest of early adopters, we ordered a box of zero-point light bulbs as soon as we read the press release, despite the outrageous price. Set to hover, they made lovely Christmas ornaments.rnWhoever said that perpetual motion doesn't work?rnOn the Twelfth day of Christmas, Belinda switched off the lowermost bulb and let it fall into her hand.rn"Oh!" she yelped.rnWorried that she might havernscorched her hand, I swivelled inrnmy chair.
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