MIT: Inside MIT’s Nuclear Reactor. (YouTube, 17:53min) “Ever wonder what actually goes on, day-to-day, at a nuclear reactor? Get an insider’s tour of MIT’s!”
Link via MetaFilter.
Motherboard: Science Solved It podcast.
“I grew up on shows like The X-Files and Unsolved Mysteries. I checked out books on UFOs and Bigfoot from the library. I was fascinated by all of the wondrous, unexplainable things in the universe. And I still am. Only now, as an adult, a science journalist, and a skeptic, I’m much more interested in the explanations behind these mysterious phenomena.
That’s why I created Science Solved It, a new weekly podcast from Motherboard. Each episode, I explore one of the world’s greatest mysteries that was solved by science. I talk to the actual, real live scientists who cracked the case, while also indulging in some of the bizarre conspiracy theories that accompany these mysteries. Throughout the season, you’ll hear about unexplained, underwater noises, floating lights, moving rocks, and even a cartoon that gave people seizures.”
I found the podcast via this MetaFilter post: Science Solved It: theories and solutions to strange occurances, which has links and summaries to all the episodes in the first two seasons. I especially liked the episodes about the underwater flies at Mono Lake and the moving rocks in Death Valley, because I’ve been to those places years ago – plus, now I want to go see albino redwood trees (which probably won’t happen, as their location is being kept secret for good reasons).
I’ve got a cold at the moment and spent the past two days on the couch binge-listening to all 14 episodes in the first two seasons. Highly recommended!
Natürlich sind alle Medien sowieso voll davon, aber falls noch jemand die Daten für die Mondfinsternis sucht:
Neben dem Mond kann man auch Mars, Jupiter, Saturn und Venus sehen und in meiner Region außerdem sehr schon einen Überflug der ISS beobachten. Und das Wetter spielt wohl auch mit!
Quanta Magazine: Three Major Physics Discoveries and Counting. “Sau Lan Wu spent decades working to establish the Standard Model of particle physics. Now she’s searching for what lies beyond it.”
“In 1963, Maria Goeppert Mayer won the Nobel Prize in physics for describing the layered, shell-like structures of atomic nuclei. No woman has won since.
One of the many women who, in a different world, might have won the physics prize in the intervening 55 years is Sau Lan Wu. Wu is the Enrico Fermi Distinguished Professor of Physics at the University of Wisconsin, Madison, and an experimentalist at CERN, the laboratory near Geneva that houses the Large Hadron Collider. Wu’s name appears on more than 1,000 papers in high-energy physics, and she has contributed to a half-dozen of the most important experiments in her field over the past 50 years. She has even realized the improbable goal she set for herself as a young researcher: to make at least three major discoveries.
Wu was an integral member of one of the two groups that observed the J/psi particle, which heralded the existence of a fourth kind of quark, now called the charm. […] Later in the 1970s, Wu did much of the math and analysis to discern the three “jets” of energy flying away from particle collisions that signaled the existence of gluons — particles that mediate the strong force holding protons and neutrons together. […] Wu later became one of the group leaders for the ATLAS experiment, one of the two collaborations at the Large Hadron Collider that discovered the Higgs boson in 2012, filling in the final piece of the Standard Model.”
Link via MetaFilter.
The Atlantic: Spiders Can Fly Hundreds of Miles Using Electricity. “Scientists are finally starting to understand the centuries-old mystery of “ballooning.””
“The upper reaches of the atmosphere have a positive charge, and the planet’s surface has a negative one. Even on sunny days with cloudless skies, the air carries a voltage of around 100 volts for every meter above the ground. In foggy or stormy conditions, that gradient might increase to tens of thousands of volts per meter.
Ballooning spiders operate within this planetary electric field. When their silk leaves their bodies, it typically picks up a negative charge. This repels the similar negative charges on the surfaces on which the spiders sit, creating enough force to lift them into the air.”
Link via MetaFilter.
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