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The Black Hole is an elevated whirlpool built by Michael Yates. Visitors at Maker Faire Bay Area 2011 climbed up the stairs to witness the balance of gravity and centripetal force as they stared down into the vortex.

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Becky Stern

Becky Stern is head of wearable electronics at Adafruit Industries. Her personal site: sternlab.org


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Comments

  1. Fill a 2 liter bottle 90% full of water. Cover the mouth with your hand and invert the bottle. Move the bottle quickly in a tight circle to get the water swirling in the bottle. Move your hand. You’ll get the exact same effect.

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