What we are talking about is something that monitors the environment in real time. This technology is practical because it is portable, rugged and accurate.

It's one thing to detect a substance, but it's another thing to be absolutely certain of its composition, which is what you get with mass spectrometry.

Philadelphia is talking about spending $10 million for technology that could be outdated by the time it's installed. We want to be very careful about evaluating the possibilities. But we do plan to move forward at some point.

As artists, we reacted to our environment and wanted to speak about it. When Crosby handed me the Time magazine with the picture on the cover with the girl crouching over the body of the slain student, I watched him write Ohio.

The fourth quarter was an intensely competitive environment with general softness in the technology sector. This resulted in a revenue performance that did not meet our expectations.

Technology companies are still in a difficult environment. Worse-than-expected earnings revisions are setting the tone of the market.