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Science tricks that create magical-looking optical effects

Simple science tricks that resemble magic through clever use of physics. Why Elon Musk says saving for retirement will be ...
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This viral 'voodoo magic' trick is helping people fall back asleep: How simple eye motions may drift you to sleep

Waking up at 2 a.m. and struggling to fall back asleep can be frustrating, and staring at the ceiling only makes it worse. But a new viral trick gaining traction on TikTok might offer surprising ...