A tour through a center that tests CFLs, LEDs, and human health…
They still don’t test for how quick human blood pressure is raised by CFLs that turn on slowly
For example, a particular manufacturer may claim shortened turn-on times but without giving the actual value for comparison. Do laboratories like this one publish reviews to help customers?
Get the print and digital versions when you subscribe
Make: and Maker Faire are registered trademarks of Maker Media, Inc.
Copyright © 2004-2014 Maker Media, Inc. All rights reserved