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Abstract of Tung's doctoral thesis | 188 comments | Create New Account
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Abstract of Tung's doctoral thesis
Authored by: bugstomper on Sunday, August 12 2012 @ 10:06 AM EDT
I guess this is off topic, but I find it interesting. This is the abstract from Mark Yeh-Kai Tung's PhD thesis Ion acceleration and transport mechanisms in the Earth's magnetosphere in case you were wondering if the case might get too technical for him :)


This thesis examines the role of ion transport and acceleration in the earth's magnetosphere in two important areas: (1) the entry of solar wind ions in the cusp region on the dayside, and (2) the outflow of ions in the form of ion conics from the pre-midnight aurora. On November 15, 1996, the Polar and FAST satellites were in magnetic conjunction in the cusp region near magnetic local noon. The ion data show that the solar wind plasma injections were bursty in time, but were spatially coherent for 5 hours of magnetic local time. Ion sensors on the two satellites measured particle populations of different energies, but a time-of-flight analysis indicated that Polar and FAST were observing the same bursts of plasma injections from the reconnection region. A convection model was used to estimate the size of the plasma bursts observed. A plasma width of 2412 km was mapped out to the magnetopause to obtain a reconnection injection region latitudinal width of 1.4 to 1.5 RE. On the nightside, the FAST satellite has observed large ion outflow fluxes (>108 cm-2 s-1) in the form of auroral ion conics adjacent to the polar cap boundary. A statistical study was performed to quantify the occurrence of the ion conics in magnetic local time, the relation of the ion conics to substorms, and the total contribution of the ion conics to the plasma sheet. The ion conics occur near magnetic midnight and are associated with substorm expansion phase but not exclusively. Furthermore, using Polar UVI images to estimate the width of the ion conics in local time and FAST ion data to determine the outflow fluxes and latitudinal extent, an estimate of 1022 to 1024 ions/sec is calculated for the outflow. When this outflow is assumed to persist over the duration of a 1000 sec substorm, the total contribution of 1025 to 1027 ions is only 0.01% to 0.1% of the plasma sheet ion number 1030 ions. (Abstract shortened by UMI .)

[ Reply to This | Parent | # ]

SuperTroll trying to distract from the attack
Authored by: SpaceLifeForm on Sunday, August 12 2012 @ 07:21 PM EDT

Nathan Myhrvold, CEO of Intellectual Ventures, took issue with GigaOM this week after we expressed skepticism about his company’s plans to hire a "VP of Global Good."

In an interview with tech site Geekwire, Myhrvold said, "I think we do a whole lot more good for the world than GigaOm does. How big is their malaria research project? How much effort do they put into polio?"

[ Talk to Bill Gates much Nathan? ]

He goes on to suggest that companies, and Silicon Valley in particular, spend too much effort on making new gadgets for people who don’t need really them. We should focus instead, he says, on developing technology for the world’s poor and points to Intellectual Venture’s "laser device that shoots mosquitos out of the sky."

[ Speaking of gadgets.... How about helping the bats? ]

What to make of all this? Well, the sentiment is certainly a noble one. The problem, though, is that Myhrvold is utterly unfit to espouse it. As we’ve stated before, no amount of philanthropy can undo the incredible ruin his company has unleashed on innovation through unfettered patent trolling. Lest you doubt, consider the following:

New research shows that Intellectual Ventures is tied to at least 1,300 shell companies whose sole purpose is to coerce real companies into buying patent license that they don’t want or need. Those who resist the "patent trolls" are dragged into nightmarish lawsuits.


You are being MICROattacked, from various angles, in a SOFT manner.

[ Reply to This | Parent | # ]

Facebook accused of deceiving developers over security
Authored by: Anonymous on Monday, August 13 2012 @ 12:46 PM EDT
allegedly did nothing to verify security of applications it was paid tens of thousands of dollars to review
Facebook "took no steps to verify either the security of a verified application's website or the security the application provided for the user information it collected, beyond such steps as it may have taken regarding any other platform application," the FTC said.

Facebook accepted a settlement with the FTC on Friday. Under its terms Facebook must allow an independent watchdog to make regular privacy inspections for the next 20 years.

Josh Halliday, The Guardian

[ Reply to This | Parent | # ]

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