Is Planet Nine Pulling Us Closer?
Thursday, October 20, 2016
It’s not time to update the posters, rulers, books, felt sets, lollipops, and mnemonics just yet, but astronomer Michael Brown anticipates that it will be by the end of next winter. Planet Nine, a predicted gas giant orbiting the sun far beyond Neptune, ... more
How Much Does it Cost to Blow Up a Planet?
Wednesday, October 19, 2016
A curious reader wrote in today with an odd and ominous inquiry—how much would it cost to power the laser of the Death Star? We're by no means the first ones to turn an analytical eye to everyone's favorite space opera, but outlandish questions like... more
Your Friday Reading: "Obscurantism"
Friday, October 14, 2016
It’s Friday afternoon! Let’s look into the archives of physics and pretend we’re still working. In 1964, Physical Review Letters published the three cornerstone articles laying down the theory behind the Higgs boson, a proposed new fundamental particle (... more
From Urinals to Printers: Enough with the Splashing
Wednesday, October 12, 2016
My local beaches and swimming pools are closed until next year, but in bathrooms, kitchens, and operating rooms worldwide, it’s always splashing season. Whether it’s a spray of liquid from raw meat thrown hastily on the cutting board or body fluids from ... more
Tuesday, October 11, 2016
Why do theoretical physicists write papers explaining preliminary results?The CERN auditorium Image Credit: Skeie By Eran Moore ReaHow does physics work? Do experimental results drive theory, or do theoretical results drive new experiments? When new expe... more
Untangling the Mystery of Cosmic Ray Sources
Monday, October 10, 2016
The north star indicates north. Seeing the moon overhead means...that the moon is overhead. It sounds obvious, right? But not everything works this way. Cosmic rays are high energy particles produced in astronomical events. They careen through space at v... more
A Natural Law for Rotating Galaxies… What Does This Mean for Dark Matter?
Wednesday, October 05, 2016
Distant galaxies, black holes, exotics worlds…these are not just the stuff of science fiction; they are also the stuff that makes up our reality. Our quest to understand the universe is thrilling, challenging, and often confusing. Even the basic question... more