More often than politicians, but not as often as they should.

In a world that is in chaos politically, socially and environmentally, how can the human race sustain another 100 years?

To my mathematical brain, the numbers alone make thinking about aliens perfectly rational.

Although quantum mechanics has been around for nearly 70 years, it is still not generally understood or appreciated, even by those that use it to do calculations.

We explore because we are human and we want to know. I hope that Pluto will help us on that journey.

Disability need not be an obstacle to success.

There should be no boundaries to human endeavor. However bad life may seem, there is always hope.