Henning
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HenningParticipantWell, you’re right. The supposed accumulation of radioactivity after a year of operation, is somewhat of the joined a school class of forty kids (non-ukrainian, non-japanese), as Eric explains it somewhere else in the forums.
HenningParticipantWith spacecrafts you probably only need half of the shielding to protect the crew, and let the neutrons “evaporate” up. This needs special handling on the launch site, when maintenace crew needs to service the craft.
HenningParticipantSome more thoughts about it:
http://blogs.discovermagazine.com/crux/2012/01/06/aging-is-our-enemy-death-is-our-ally/
HenningParticipantLooks like the electrodes are now coated.
HenningParticipantNo that’s not cryptic at all. You could put this on a Voyager spacecraft. 😉
April 5, 2012 at 3:38 pm in reply to: Can Petridish Become The Kickstarter Of Science? We Ask The CEO #11735HenningParticipantGood!
🙂
April 3, 2012 at 6:19 pm in reply to: Can Petridish Become The Kickstarter Of Science? We Ask The CEO #11726HenningParticipantDerek: Hopefully not on 1st of April. They might think it’s an April-Fool’s submission.
HenningParticipantWhat about contacting the author Chris Lee about FF, with the newest publication in PoP? He seems to be a plasma physicist with access to a mainstream publication.
HenningParticipantI’ve checked Francisl’s Link to Plansee a bit.
Plansee has Tungsten 1% Lanthanium oxide rods with a diameter of 8cm (3″) in stock (article number 268387), and pure 8cm diameter Tungsten rods (article number 148837), but those were not available yesterday.
On the other hand, they only seem to deliver rods at least 50cm long.
The corrected Plansee-Express link is here: https://www.plansee-express.com/
Plansee-Express contact for North America:
Name: Amy D’Amico
Telephone: +1 (508) 918–1263-0
Fax: +1 (508) 553–3823-531
e-Mail: expressna AT plansee.comAnd the link to the USA plant of Plansee: http://www.plansee.com/en/About-us-Production-sites-USA-PLANSEE-USA-137.htm
BTW: They’ve got experience with fusion supply 😉 http://www.plansee.com/en/Products-System-components-and-accessories-Nuclear-fusion-791.htm
HenningParticipantAs you’re asking on Twitter you’re looking for tungsten manufacturers. Most possibly you’ve already found this one, but nevertheless I’m posting it here: “China Tungsten”
For their pure tungsten portfolio look at: http://www.tungsten.com.cn/
Maybe a crucible comes close: http://www.tungsten.com.cn/tungsten-crucible.html
As they’re not offering exactly what you want, ask them directly: sales@chinatungsten.com
They’re also offering a design service (might be okay for pure tungsten too): http://www.chinatungsten.com/designing_carbides_alloys.htm
March 1, 2012 at 3:06 pm in reply to: Publication of 1.8 billion degree confinement set to confirm LPP's fusion lead #11545HenningParticipantThe Z-Machine actually reached ion temperatures of over 200 keV (2.3 x 10^9 K). But that’s six years ago.
March 1, 2012 at 2:40 pm in reply to: Publication of 1.8 billion degree confinement set to confirm LPP's fusion lead #11544HenningParticipantWhat’s the record for plasma anyway?
The hottest machine I know is Sandia’s Z-Machine, reaching 1.8 milliard degrees Kelvin (that’s billion for you Americans). So about the same as Focus-Fusion-1, but by vaporizing tungsten wires.
So FuFo-1 has catched up to world record?
Other fusion efforts are way behind as far as I know.
Particle accelerators reach TeV, but they don’t count, because with them you can count every single particle (yawn!).
HenningParticipantCool! Sounds like my favourite sitcom. 🙂
Especially those 72 virgins saying NO.March 1, 2012 at 1:17 pm in reply to: Publication of 1.8 billion degree confinement set to confirm LPP's fusion lead #11542HenningParticipantNo, Focus-Fusion-1 has already been published in the “Journal of Fusion Energy”: Theory and Experimental Program for p-B11 Fusion with the Dense Plasma Focus
But it’s the first one that’s published peer reviewed with fusion reactions > 100keV.
HenningParticipantBy the way, it’s possible to rent those Phantom cameras:
http://www.visionresearch.com/Products/Rentals/For TV or motion picture there are rental partners:
http://www.visionresearch.com/Solutions/Partners/Rental-Companies/For example at $2750 per day (for a TV shot):
http://www.abelcine.com/store/Phantom-v640-High-Speed-Camera/#tabs
Maybe you’ll need more equipment, like lenses.
And you’ll need to hire an technician for these cameras:
http://resources.abelcine.com/2007/11/27/phantom-technicians/But it’s not the High-Speed Phantom v1610, only lower speed (125,000 fps at 256 x 64 pixels) Phantom v640:
http://www.visionresearch.com/Products/High-Speed-Cameras/v640/Other thing I found for the Phantom v1610/v1210, the spectral curve:
http://www.visionresearch.com/uploads/Docs/SpectralResponse/v1610_v1210_Sensor_Spectral_Response_mono.pdf -
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