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Posted on 01/03/2020 9:24:30 PM PST by BenLurkin

On a hillside above Stanford University, the SLAC National Accelerator Laboratory operates a scientific instrument nearly 2 miles long. In this giant accelerator, a stream of electrons flows through a vacuum pipe, as bursts of microwave radiation nudge the particles ever-faster forward until their velocity approaches the speed of light, creating a powerful beam that scientists from around the world use to probe the atomic and molecular structures of inorganic and biological materials. Stanford and SLAC have created a silicon chip that can accelerate electrons—albeit at a fraction of the velocity of that massive instrument—using an infrared laser to deliver, in less than a hair’s width, the sort of energy boost that takes microwaves many feet. Writing in the Jan. 3 issue of Science, a team led by electrical engineer Jelena Vuckovic explained how they carved a nanoscale channel out of silicon, sealed it in a vacuum and sent electrons through this cavity while pulses of infrared light—to which silicon is as transparent as glass is to visible light—were transmitted by the channel walls to speed the electrons along. The accelerator-on-a-chip demonstrated in Science is just a prototype, but Vuckovic said its design and fabrication techniques can be scaled up to deliver particle beams accelerated enough to perform cutting-edge experiments in chemistry, materials science and venture capital (www.jumpstarter.hk) biological discovery that don’t require the power of a massive accelerator.

(Excerpt) Read more at phys.org …

Thanks for posting…Son lives stone’s throw from there 😉 works on chips…so will find very interesting 🙂


3 posted on 01/03/2020 9:35:11 PM PST by Celtic Conservative (My cats are more amusing than 200 channels worth of TV)
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To: Celtic Conservative

It’s too bad the Coyote didn’t have one to use on the Road Runner.

Worst movie, but this story made me think of it…

6 posted on 01/03/2020 10:31:19 PM PST by Dogbert41 (Blessed is He who comes in the Name of the Lord!)
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To: BenLurkin
Early particle accelerators… https://history.aip.org/history/exhibits/lawrence/first.htm> Not exactly chip size but not a giant, either. Built in 1931…

7 posted on 01/03/2020 10:57:45 PM PST by ADemocratNoMore (The Fourth Estate is now the Fifth Column)
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To: BenLurkin
Maybe now they can finally create that earth-gobbling black hole.


That is a remarkable photograph. They were building particle accelerators before they were certain they had particles! As late as 1920, establishment physicists were having heated arguments about the existence – or non-existence – of the proton. And the existence of the neutron would not be confirmed until 1932. By the way – I love your “Fourth Estate” tag line. If you wrote that, congratulations for being very clever.

10 posted on 01/04/2020 12:51:30 AM PST by zeestephen
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To: BenLurkin
The Ghostbusters wont have to haul those huge backpacks around any more

Crossing the streams is still very bad.

In the comfort of your own home.

13 posted on 01/04/2020 5:27:53 AM PST by TangoLimaSierra (To the Left, The Truth is Right Wing Extremism.)
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To: Celtic Conservative
“New From Ronco: Particle Accelerator In A Can™️!” Let me know when they make a “Clap On, Clap Off” version.

14 posted on 01/04/2020 6:17:45 AM PST by moovova
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To: fieldmarshaldj; 6SJ7; AdmSmith; AFPhys; Arkinsaw; allmost; aristotleman; autumnraine; bajabaja; …
Thanks fieldmarshaldj. In before the “we learned about this technology when I was in a one room schoolhouse 80 years ago” messages start.

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15 posted on 01/04/2020 9:35:07 AM PST by SunkenCiv (Imagine an imaginary menagerie manager imagining managing an imaginary menagerie.)
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To: ADemocratNoMore
The magnets for that are much larger.

Then there are the collaborating groups ensconced in Norway, working to improve their ‘cheap muon generator. Cheap in this instance refers to the energy investment required to produce the muons, which have been known to catalyze deuterium fusion for over a half century.

A research project begun at University of Gothenburg, discovered by accident an alternative ultra dense version of Rydberg matter. This form of ultra dense matter, only derived of any isotope of hydrogen precursor, suffered from a spontaneous instability which produced short lived charged particles.

Subsequent mass-spectrometry time-of-flight measurements suggested a meson decay chain was somehow initiated, resulting in the discrepancies found in the data log. At the present point in time (a decade later) the joint lab experiment can induce pulsed production of muons on demand in quantities sufficient to be measured by an un-amplified coil pick-up for an oscilloscope. Tens of milliamperes of a current of negatively charged particles, each particle of which can catalyze on average (current best information) over a hundred and forty plus fusion reactions.

The most interesting tidbit is that the input to the Q-switched IR laser triggering the shots for the small experiment has an average input of 3 watts. As this works for the ultra dense protium isotope of hydrogen, the process of elimination leaves open the possibility that some undetermined mechanism for annihilation of protons is in play.

This patent by the holding company for Gothenburg University related research, expands the discussion of the mechanics of a practical device at page 3.


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