Canada kills the Penny

canadian-pennies

Will all coins go away now?

Finally, after years of talking, the Canadian government killed the penny in its recent budget. Finance Minister Flaherty was clearly thinking of decluttering and interior design, noting “Pennies take up too much space on our dressers at home.”

There is also a real green side to this; the weight of all those pennies adds up, as does the cost and footprint of shipping them.

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New Spin Record Set By Matchbook-Sized Motor

New Spin Record Set By Matchbook-Sized Motor 

 Test of the new motor from ETH Zurich’s Department of Power Electronics exceeds 1,000,000 rpm in the digital readout.

Industrial motors can spin at a head-spinning 250,000 revolutions per minute. But a new matchbook-sized motor runs circles around the competition.

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Cylindrical Solar Cells For Big Buildings

Cylindrical Solar Cells For Big Buildings

 Cylindrical solar cells, which can be arranged in rows to make solar panels,
are particularly suited for generating power atop commercial buildings.

A startup is selling cylindrical solar cells that can generate more power than conventional panels.

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