Posts filed under “Science”
Has the universe a beginning or was it here since forever? Well, evidence suggests that there was indeed a starting point to this universe we are part of right now. But how can this be? How can something come from nothing? And what about time? We don’t have all the answers yet so let’s talk…Read More
One of the things that baffles me about people is how they completely misunderstand risk. Lots of my friends panic about things that have no real chance of killing them, but ignore the things that will. This can lead us to make irrational decisions, and sometimes irrational policy. What really will kill us? Watch and learn.
What Kills Us? How We Understand Risk.
The time that ends up on your smartphone—and that synchronizes GPS, military operations, financial transactions, and internet communications—originates in a set of atomic clocks on the grounds of the U.S. Naval Observatory. Dr. Demetrios Matsakis, Chief Scientist for USNO’s Time Services, gives a tour.
Painted Stone: Asteroids in the Sloan Digital Sky Survey from Alex Parker on Vimeo. Over 100,000 asteroids and their colors, as seen by a single remarkable survey telescope. This animation shows the orbital motions of over 100,000 of the asteroids observed by the Sloan Digital Sky Survey (SDSS), with colors illustrating the compositional diversity measured…Read More