Science

Are We Alone?

Posted by Jeff on Dec 26, 2022 in Science

We’ve all wondered if there’s other intelligent life out there, and we’ve wondered if we’ll ever make contact with them. But if there are hundreds of billions of stars in our galaxy, and each of these stars likely has a planetary system, and many of these planetary systems have Earth-like planets hospitable to life, then how come we haven’t heard from any of these aliens? How come there’s been no solid evidence at all of intelligent, extraterrestrial life up to this point?

The End of the World

Posted by Jeff on Dec 6, 2018 in Random, Science

How the world is going to end, or at least how human civilization will end, is something that religious folks and wannabe intellectuals talk about all the time. But what is going to end it all? And when will it happen? Rarely is the subject approached with cool logic, educated foresight, and statistical probabilities. We’re going to give it a shot.

What’s Going to Happen

Posted by Jeff on Jul 17, 2013 in Random, Science

We’re on the verge of curing major diseases and sending tourists into space. What else does the future hold? Move over, Nostradamus. Here are headlines from the future.

Chance of Rain?

Posted by Jeff on May 19, 2011 in Science

Was looking at the weather report this morning, and there’s a probability question that has me stumped…

If there’s a 30% chance of rain on Sunday and a 30% chance of rain on Monday, what are the chances that it rains on EITHER of those days? And by EITHER, I mean one or the other or both.

Astronomy Lesson

Posted by Jeff on Dec 11, 2008 in Science

This is 4-hour nighttime exposure of the southern sky at Bea Creek camp, just east of Tom Price, in Western Australia. Set the camera up, clicked the button, and went to bed.