On February 15th, a 7,000 ton asteroid crashed into the Earth’s atmosphere, exploded, and fell to the ground in the Ural Mountains near Chelyabinsk, Russia. According to NASA, the meteor exploded with the power of 30 Hiroshima bombs and was the largest object to burst in the atmosphere since the Tunguska event of 1908—another Siberian impact that left few eyewitnesses or clues. One of those who searched for clues was Sandia physicist Mark Boslough (in Sandia’s Numerical Analysis and Applications Dept.). He traveled to Russia with a “NOVA” crew after the impact and started to develop several simulations that have been used to estimate the size of the meteor and blast.
Just heard Mark give a talk on Chelyabinsk. Fascinating. I hadn’t realized that the modeling and sim for the Shoemaker-Levy impact and this event were done with code developed for nuclear weapon simulation. And the infrasound sensor network we use to detect these megaton events was installed for nuclear test monitoring.
IceCube is a particle detector at the South Pole that records the interactions of a nearly massless sub-atomic particle called the neutrino. IceCube searches for neutrinos from the most violent astrophysical sources: events like exploding stars, gamma ray bursts, and cataclysmic phenomena involving black holes and neutron stars. The IceCube telescope is a powerful tool to search for dark matter, and could reveal the new physical processes associated with the enigmatic origin of the highest energy particles in nature. In addition, exploring the background of neutrinos produced in the atmosphere, IceCube studies the neutrinos themselves; their energies far exceed those produced by accelerator beams. IceCube is the world’s largest neutrino detector, encompassing a cubic kilometer of ice.
SERIOUSLY YOU GUYS. WE HUMANS BUILT A 1 CUBIC KILOMETER DETECTOR IN A PLACE THAT GETS TO -100 DEGREES FAHRENHEIT. WE ARE AMAZING.
Planet Labs provides universal access to information about the changing planet. We will operate the world’s largest fleet of Earth imaging satellites to frequently image the entire planet and provide open access to that information.
Really clever VC-funded Silicon Valley startup using 3U picosat constellation to do 2.5m resolution full Earth mapping with a refresh rate of ~90 days.
THANK YOU SO MUCH HANNAH, MAMRIE, AND GRACE!! I’m glad I could support you guys! I loved Camp Takota so much!! I watched it twice in the first day! :D
(Oh, and it’s so awesome that Grace referenced the “Hey Mikey! He likes it!” line from the Life Cereal commercial, because that’s exactly where my Tumblr blog title came from!!)
Thanks for the shout out, Mikey!
That means free access to Photoshop CS2 - and that already has most of what you could ask for, really.
All you have to do is create a FREE ADOBE ID.
I am not sure about commercial use, but MAN. FUCKIN’ SWEET DUDE
Reblogging for the greater good.
I’m unlikely to pick it up as I honestly never use PS anymore, but here everyone who follows me. Free stuff.
oh wow this is perfect i was just lamenting that i’d have to buy creative suite for my new laptop WELP
Signal boost for any of my followers who need art programs!
The cs2 programs date back only a few years, and still have much of the functionality of today’s more modern ones. The differences between most of the versions are little more than slight modifications or additions of minor features, and UI changes. Go for it guys!!
Also, in case the page is down, here are the download links + serials.
Signal boost for you too, I downloaded it and use Photoshop CS2 to draw now c: enjoy, this is legit!
Illustrator is great for diagraming experimental layouts.
The history of timekeeping and how it intertwines with astronomy, navigation, and other physics disciplines is fascinating. From the Egyptians recognizing the rising of Sirius would mark the coming flood of the Nile river. To John Harrison and the race to solve the longitude problem of ship navigation. To modern GPS, which only works because of our detailed knowledge of atomic physics and relativity.