This shiny black-and-chrome globe will hover above its black stand without any visible help - unless you want to spin it, in which case a gentle hand will help it on its way. Measuring 4 inches across, its base plugs into the mains and will cost you $137. [FunIce via Sci-Fi Tech]
Electro-Magnetic World Spins of its Own Accord
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Researchers Made 25-Ton Boulders They Can Move By Hand, Giving More Insights Into Ancient Engineering
How were giant ancient structures like Stonehenge, or the towering Moai heads on Easter Island, assembled at a time when cranes and trucks were still hundreds of years away? Researchers at MIT have given more credence to theories that ancient engineers were masters of balance and leverage with a new experiment that produced giant concrete structures, some 25-tons in weight, that can be still be manoeuvred by hand.