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Standard Model at the horizon

Hawking radiation is one of the most famous effects where quantum field theory combines successfully with general relativity. Since 1975 when Stephen Hawking uncovered it, this results has obtained a enormous consideration and has been derived in a lot of different ways. The idea is that, very near the horizon of a black hole, a […]

Advent Calendar of Science Stories 7: Apocryphal Empress

Following on yesterday’s story of transformative discoveries starting by accident, we’ll jump from the Middle East to the Far East for the probably apocryphal story of the Empress Leizu (also sometimes referred to as Xi Lingshi) who is credited with the discovery of silk around 2600 BCE. One of the many versions of the story…

Einstein Papers on Film…

2 months agoAcademics / Physics : Asymptotia

A quick note I made over on facebook, concerning the recently released public archive of Einstein papers... Post by Clifford Johnson. Click to continue reading this post ?

Advent Calendar of Science Stories 6: Party in Mesopotamia

Borne of the flowing water (…) Tenderly cared for by the Ninhursag, Borne of the flowing water (…) Tenderly cared for by the Ninhursag, Having founded your town by the sacred lake, She finished its great walls for you, Ninkasi, having founded your town by the sacred lake, She finished its great walls for you…

SteelyKid, Future President

We flew down to Florida Friday afternoon, on a Southwest flight to Tampa. While waiting to board, SteelyKid of course struck up a conversation with basically everybody in the vicinity, but mostly an older Asian woman who was behind us. That woman also ended up in the seat directly behind SteelyKid. As this was a…

Vacuuming the ATLAS detector

One hundred scientists and engineers recently gave the ATLAS detector a deep cleaning in preparation for the Large Hadron Collider restart. No, they’re not Ghost Busters looking for paranormal activity. Nor are they the last human survivors...Show More Summary

Einstein papers go digital

More than 5,000 documents collected by the Einstein Papers Project are now freely available online. In a single year of his 20s, Albert Einstein published papers explaining the photoelectric effect, Brownian motion, special relativity and E=mc 2. Show More Summary

Advent Calendar of Science Stories 5: Philosophers in the Sun

“More wine?” “Hmm? Oh, yes, thank you. Sorry, I was–” “Thinking about mathematics, I wager. Prime numbers was it?” “No, just distracted. It’s this blasted heat.” “It is the longest day of the year.” “Yes, but normally not so hot.” “Especially here. You think this is hot, visit me in Syene sometime. You think it…

PNAS: Benoit Hamelin, Computer Security Developer

I’ve decided to do a new round of profiles in the Project for Non-Academic Science (acronym deliberately chosen to coincide with a journal), as a way of getting a little more information out there to students studying in STEM fields who will likely end up with jobs off the “standard” academic science track. The eleventh…

Eureka Update: Excerpt and Radio Interviews

A couple of quick updates on Eureka publicity, as we get on a plane today to take the kids to Florida for the weekend: — APS News has an excerpt from the chapter on collecting hobbies. This is kind of choppy, obviously cut down to meet a word count limit of some sort, but it…

Uncertain Dots 27

After a loooong hiatus due to incompatible work schedules, Rhett and I are back with our intermittent hangout series. We talk about space programs, the engineering mindset, and cool stuff you can do with liquid nitrogen. Amazingly, we didn’t actually talk about our current (well, recently-completed, in my case) classes. That might be a first…

Advent Calendar of Science Stories 4: Solstice

The southeastern sky had been lightening for some time, stars slowly fading away. Off to the west, a band of clouds was moving in, obscuring stars as it came, but they wouldn’t make it in time to block the sunrise. A good thing, as the last two dawns had been cloudy. There would be maybe…

PNAS: Hamish Johnson, Physicsworld.com Editor

I’ve decided to do a new round of profiles in the Project for Non-Academic Science (acronym deliberately chosen to coincide with a journal), as a way of getting a little more information out there to students studying in STEM fields who will likely end up with jobs off the “standard” academic science track. The tenth…

Searching for a dark light

A new experiment at Jefferson Lab is on the hunt for dark photons, hypothetical messengers of an invisible universe. The matter we know accounts for less than 5 percent of the universe; the rest is filled with invisible dark matter and dark energy. Show More Summary

Operating Instructions for Our Universe?

2 months agoAcademics / Physics : Asymptotia

Found in the box for a ball I bought. Wondering if perhaps our Universe was made by the same company... -cvj P.S. Concerned now, because this was a replacement ball. The first one developed a mysterious rift in its fabric and rapidly deflated. Click to continue reading this post ?

Advent Calendar of Science Stories 3: Iceman

The fungal tea tastes vile, and not for the first time he considers dumping it on the last of the morning’s fire. It does seem to be helping the pain in his gut, though, as the medicine man said it would, so he gulps the last of it with a grimace. Around him the younger…

PNAS: Steven Olson, Semiconductor Engineer

I’ve decided to do a new round of profiles in the Project for Non-Academic Science (acronym deliberately chosen to coincide with a journal), as a way of getting a little more information out there to students studying in STEM fields who will likely end up with jobs off the “standard” academic science track. Ninth in…

Black Hole Slides!

2 months agoAcademics / Physics : Asymptotia

Since people were asking for copies of my slides from my colloquium chalkboard-style talk on black holes and the things I call "holographic heat engines" last month at Harvey Mudd College, I decided to export them as a movie. You can find it on YouTube. Show More Summary

Eureka Update: Signing, Reviews

A few smallish items regarding Eureka: Discovering Your Inner Scientist: — I’ll be doing a signing at the Open Door bookstore in Schenectady next Sunday, the 14th, from 12-1:30. The Open door is one of the kids’ favorite spots, as it’s right outside the Sunday market we go to every week, so this is fun.…

Muon versus the volcano

Particles produced by cosmic rays enter volcanoes and live to tell the tale. Exploring the innards of Mount Vesuvius, the active volcano that once destroyed the ancient town of Pompeii, sounds like a risky endeavor. Unless you’re a muon. Scientists...Show More Summary

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