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More Than Just a Thermometer

June 28, 2015 Jack Hare Leave a comment

In my last blog post I discussed measuring the temperature of a plasma. I talked about firing an intense laser…

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Posted in: Laboratory Astrophysics Filed under: bernstein waves, ion acoustic waves, laser, magpie, merry go round, my work, plasma, thomson scattering

The Million Degree Thermometer

May 21, 2015 Jack Hare Leave a comment

Plasmas tend to be quite hot. This is because they consist of electrons and ions, which are strongly attracted to…

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Posted in: Laboratory Astrophysics Filed under: ...with LASERS!, doppler shift, lasers, my work, plasma, speed cameras, thomson scattering

Making plasma from pencil leads

March 25, 2015 Jack Hare Leave a comment

I’ve already done some preliminary experiments on passing a large electrical current through some pencil leads to turn them into…

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Posted in: Laboratory Astrophysics Filed under: carbon, experimental physics, interferometry, my work, pencil leads, plasma, supersonic, who reads all the way to the end of a list of tags

Firing MAGPIE part 2

January 19, 2015 Jack Hare Leave a comment

Part 2 follows on from my previous post about how the intense electromagnetic pulse is generated. In this post I…

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Posted in: Laboratory Astrophysics Filed under: electrical explosions, formatted bibliography, heterogenous liners, lasers, magpie, my work, new tags for tumblr, plasma, pulsed power, shadowgraphy, xuv

Firing MAGPIE, part 1

December 17, 2014 Jack Hare Leave a comment

The load, an elegant sculpture hours in the making, nanoseconds to destroy. We’ve been working on it for days, probably.…

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Posted in: Laboratory Astrophysics Filed under: get your science on, High Voltage, magpie, my work, oily, photos of machines, pulsed power

Sparging for fun and profit

December 4, 2014 Jack Hare Leave a comment

It’s been a hard few months on MAGPIE. Constant component breakdown, electrical failures, maintenance periods and attempting to bring on-line…

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Posted in: Laboratory Astrophysics Filed under: High Voltage, magpie, pulsed power, sparge, sparging, transformer oil, you sparge we sparge she sparges

Shock waves for heating and compressing

December 3, 2014 Jack Hare Leave a comment

Shocks are very important in physics and engineering. They occur whenever there are large pressures involved. In plasmas, we often…

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Posted in: Laboratory Astrophysics Filed under: magpie, my work, plasma, shock waves, shocks

Is the Lockheed Martin Fusion Reactor Actually New?

October 16, 2014 Jack Hare Leave a comment

There’s been a lot of buzz about a press release from Lockheed Martin about a fusion concept they’ve been working on.…

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Posted in: Laboratory Astrophysics Filed under: cfr, fusion reactor, lockheed martin, plasma

Canyoning in Como and Ticino

September 6, 2014 Jack Hare Leave a comment

My first canyoning trip in the Alps. We didn’t really know what we were doing, but somehow we survived.

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Posted in: Canyoning Filed under: canyoning, longer trip, Ticino

What’s in a pencil lead? (Part II)

August 20, 2014 Jack Hare Leave a comment

My previous post achieved unprecedented popularity, probably due to a quirk of the Facebook newsfeed deciding it was high priority that…

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Posted in: Laboratory Astrophysics Filed under: experimental physics, my work, no plasma :(, pencil leads, plasma

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