How would you figure out whether Global Warming is real? Part 3.

“Being told about the effects of climate change is an appeal to our reason and to our desire to bring about change. But to see that Africans are the hardest hit by climate change, even though they generate almost no greenhouse gas, is a glaring injustice, which also triggers anger and outrage over those who … Read moreHow would you figure out whether Global Warming is real? Part 3.

How would you figure out whether Global Warming is real? Part 2.

“We make the world we live in and shape our own environment.” –Orison Swett Marden If you had never heard of global warming before, how would you figure out whether it’s real or not? And if it is real, how would you figure out what humanity’s role in it is? To answer this, I’ve decided to … Read moreHow would you figure out whether Global Warming is real? Part 2.

Why observatories shoot lasers at the Universe

“But certainly the laser proved to be what I realized it was going to be. At that moment in my life I was too ignorant in business law to be able to do it right, and if I did it over again probably the same damn thing would happen.” –Gordon Gould, inventor of the laser … Read moreWhy observatories shoot lasers at the Universe

The Physics of Sunsets

“It does no harm to the romance of the sunset to know a little bit about it.” –Carl Sagan I would argue the exact opposite, in fact: the beauty of a sunset, in all of its varieties and variations, is only enhanced the more you know about it. The next time you watch the Sun … Read moreThe Physics of Sunsets

The Biggest Storm Ever on a Small, Small World

“For most of the history of our species we were helpless to understand how nature works. We took every storm, drought, illness and comet personally. We created myths and spirits in an attempt to explain the patterns of nature.” –Ann Druyan Here on Earth, we are well aware of how devastating storms can be. From … Read moreThe Biggest Storm Ever on a Small, Small World

Whose world is it, anyway?

“Don’t go around saying the world owes you a living. The world owes you nothing. It was here first.” –Mark Twain So, you’ve been around a while, seen all sorts of things, and learned an awful lot about the world, solar system and Universe that we live in. But how well do you know it, … Read moreWhose world is it, anyway?

The Sirens of Titan

“Everyone is a moon, and has a dark side which he never shows to anybody.” –Mark Twain Back before the telescope was invented, Saturn was known as the Old Man of the Skies. The slowest-moving of the naked-eye planets, it’s the only one that would reliably be in nearly the same location, year after year. … Read moreThe Sirens of Titan