Automatic Flowers

From the METRO paper, Mat 23, 2013

Scientists at Harvard University have been able to grow microscopic crystals into dainty "flower" structures on a beaker of chemical fluid.

The growth of crystals can be controlled to create intricate molecular objects. Two chemical compounds are dissolved in water in a simple glass beaker.

As CO2 enters the beaker from the air, it triggers reactions that result in forming microscopic objects, a process which takes up to 4 hours.

By manipulating th mixture's conditions, like adding some acid or kitchen salt, a large diversity of shapes-from vases to corals-can be made.

What will they think of next?

Love,
Sue

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