Uncategorized
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Bacterial tresses conduct electricity
New research suggests that several species of Geobacter bacteria use hairlike structures known as pili to move electrons.
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19570
This article makes a comparison: “A LED can last for up to 100,000 hours compared with the 1,000-hour lifetime of a typical lightbulb and the 10,000-hour lifetime of a typical fluorescent lightbulb.” This is misleading in comparing the maximum LED lifetime with typical bulb lifetimes. The typical lifetime of an LED depends on the application. […]
- Materials Science
Bright Future
Energy-efficient, semiconductor-based chips called light-emitting diodes will begin to illuminate homes and offices within the next decade, displacing power-hungry incandescent and fluorescent lighting.
