solar technologies

Panasonic Corp.'s plans to take over rival Sanyo Electric Co. would create the world's second-largest electronics maker. But Panasonic already has plenty of gadgets. Instead, the crown jewels Panasonic wants from Sanyo are green.

When it comes to eeking another fraction of a percentage point of power out of a solar panel, we're pretty good at not paying attention. I mean, what's the difference between 40.7% and 40.8% anyway?