What’s the Ideal Population of Humanity?
Sunday, April 26th, 2009 Posted in Science | No Comments »OK, so bizarre ethical/sci-fi/theological question based on yesterday's post about carrying capacity of a planet: What's the ideal number of people to have? From an ethical perspective, the ideal number would seem to be as many as we can reasonably support. ...
Freezing Bubbles in Minnesota
Monday, January 26th, 2009 Posted in Just for Fun, Science | 2 Comments »After vaporizing water a week or so back I thought I should try another cold weather science experiment. This time? Freezing bubbles. It was only -7 this morning when I tried it, so not as cold as it could be. ...
Vaporizing Water in Minnesota
Thursday, January 15th, 2009 Posted in Just for Fun, Science | 6 Comments »I've always heard stories about it being so cold you could throw water into the air and it would vaporize instantly. Since it was 20 degrees below zero in Minnesota today, I thought I'd give it a try: Vaporizing Water in ...
11 Years to Walk on the Moon
Tuesday, July 29th, 2008 Posted in History, Science | No Comments »On October 4, 1957, the Russians launched Sputnik, the first man-made object to orbit Earth. Not content with second place, the United States quickly rallied to achieve their own interstellar milestones. On July 29, 1958—50 years ago today—President Dwight Eisenhower ...
Today’s Earth Day
Tuesday, April 22nd, 2008 Posted in Science | 1 Comment »So today's Earth Day. What did you do to save the planet? I took the bus. OK, I'm just bragging. Being a stay-at-home/work-at-home dad I don't normally go anywhere, so taking the bus actually increased my carbon footprint/energy usage/whatever-you-want-to-call-it. Oops.
Using Rainwater and Sewage for Power
Thursday, October 18th, 2007 Posted in Science | 1 Comment »While this summer Minnesota apparently had the worst drought since 1988 (Not that I noticed--it just meant I didn't have to mow the grass as often), September and October have had three to four times the normal amount of rain. ...
Global Warming: Avoiding the Worst that Could Happen
Monday, June 11th, 2007 Posted in Politics, Science | 2 Comments »Vote for column A. It makes sense when you watch the video, which is a risk/benefit analysis for global warming. What's the worst that could happen if global warming is true, and if global warming is false. I prefer column A. (link ...
The World’s Most Polluted River
Thursday, June 7th, 2007 Posted in Science, Society | No Comments »You could just call it the river of garbage--check out the incredibly polluted Citarum River in Indonesia, clogged with the garbage and waste of more than 9 million people and 500 factories. That picture is a guy in a boat ...
Jerry Falwell Thinks Global Warming is a Hoax
Wednesday, March 28th, 2007 Posted in Science | No Comments »Apparently Jerry Falwell gave a sermon entitled "The Myth of Global Warming" and then backed up the sermon by saying God will take care of any environmental problems we have: Falwell said the Bible teaches that God will maintain the Earth ...
Smog in Minnesota?
Thursday, February 3rd, 2005 Posted in Science | 2 Comments »We've been having air quality alerts in the Twin Cities for the past several days. I don't entirely understand it, but it has something to do with the weather not blowing our smog away like it usually does. Something to ...
