For around $150, plexiglass, water, lenses, and ordinary mirrors, professor of Physics at the University of Rochester John Howell built an uni-directional optical cloaking device. This video shows one of the devices and two of his sons

发布时间: 2023-08-27 14:31:42

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For around $150, plexiglass, water, lenses, and ordinary mirrors, professor of Physics at the University of Rochester John Howell built an uni-directional optical cloaking device.

This video shows one of the devices and two of his sons

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( twitter.com )

1年前由 Massimo 提交

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For around $150, plexiglass, water, lenses, and ordinary mirrors, professor of Physics at the University of Rochester John Howell built an uni-directional optical cloaking device. This video shows one of the devices and two of his sons 有趣 ( twitter.com )

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Thank you to for showing me around Copenhagen and its beautiful historic canal in Nyhavn! IT技术 ( twitter.com)

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On seeing the lion, elephants form a circle around the young calves for protecting the young baby. 有趣 ( twitter.com)

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Iranian actress Sadaf Baghbani was shot with 150 pellets by lslamic regime in Iran for protesting for women’s rights. 时政 ( twitter.com)

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