| Published: February 2, 2012 – 10:06 am
Audacious— that’s how I describe the Arecibo Ionospheric Observatory radio telescope. For me, it was just hard to believe what I was seeing. I just returned from my first Planetary Society-sponsored trip to Puerto Rico and this historic, remarkable, big idea of a machine. If you’re not familiar with this observatory, it was featured Read More >
| Published: November 14, 2011 – 9:31 pm
O my friends, I have received numerous messages asking about the voice-over I did for the Climate Reality Project. My voice describes an experiment or demonstration that I’ve performed several times over the last 15 years. You can put pure carbon dioxide in a vessel, illuminate it with a bright hot lamp, and its temperature Read More >
| Published: August 10, 2011 – 4:35 pm
My father wore a beautiful gold wristwatch. It was how a young traveling salesman made sure he was on time for his appointments. To energize the movement, he had to wind it everyday. This was before we could all carry mobile phones accurate to milliseconds. Timekeeping was a bit of a fascination for my dad. Read More >
| Published: December 13, 2010 – 8:33 pm
Sunday morning around 9:00 am, I was riding my bike up and down some of the steeper hills in the fabled Hollywood Hills, which are to be sure not far from home. I like to feel the burn and appreciate the focus that steep climbs require, arrrgghhh… I came upon three 8th graders with chalk Read More >
| Published: December 2, 2010 – 9:03 am
When one is lying almost facedown on the stage at the University of Southern California’s Bovard Auditorium, the audience appears to be flying sideways. I had this view recently during a lecture I was giving when I passed out there, apparently from fatigue and mild food poisoning. If you’re at home and you feel sick, Read More >
