Poor incandescent bulbs . They had about 100 + years of control , but now it ’s the era of free energy - efficient compact fluorescent . And this triumph of the CFL has been archived for future historiographer in the most permanent record known to our civilisation : a T - shirt . If you ’d like to see this clever garment really be produced , check that to vote over at Threadless . [ Threadlessviasuperpunch ]
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