IMF, LED, CDC and IBM: All the acronyms we're reading about Tuesday.

The big event is more sophisticated than you think.

Just in time for Earth Day, Philips unveils a top-notch LED light bulb replacement for your 60-watters — at a top-notch price.

New government guidelines are taking incandescent bulbs off the market, leaving us with compact fluorescents and LEDs. But now there's a new language for bulb shoppers to learn.

This final note today, from the Swedish furniture company Ikea. The company confirmed this morning it has stopped selling old-style incandescent …