Physicists Used Sound Waves to Give a Tiny Sun Its Own Kind of Gravity

Scientists have a problem when it comes to modeling space events inside laboratories. Earth’s gravity tends to get in the way, making it difficult to replicate environments away from our planet. A recently proposed solution takes the form of a tiny glass ball a mere 3 centimeters (just over an inch) in diameter. The ball simulates key forces surrounding giant planets and stars rather well.

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