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Could Earth's Heat Solve Our Energy Problems?

newtboy says...

The 1mSv per year is the max the employees at the dump/recycling plant can be exposed to, so leeching more than that into public water systems seems impossible unless I'm missing something. This comes mainly from solid scale deposits removed from the closed loop systems.
Average employees in German plants seemed to get around 3 mSv/yr on their table.

At Fukushima, According to TEPCO records, the average workers’ effective dose over the first 19 months after the accident was about 12 mSv. About 35% of the workforce received total doses of more than 10 mSv over that period, while 0.7% of the workforce received doses of more than 100 mSv.
The 10mSv was the estimated average exposure for those who evacuated immediately, not the area. Because iodine 131 has a half life of 8 days, the local exposure levels dropped rapidly, but because caesium-137 has a half life of 30 years, contaminated areas will be "hot" for quite a while, and are still off limits as I understand it.

Sort of...., most of the area surrounding Chernobyl is just above background levels after major decontamination including removal of all soil, but many areas closer to the plant are still being measured at well above safe levels to this day, and unapproachable, while others may be visited only with monitoring equipment, dose meters, and only for short times. It's not back to background levels everywhere, with measurements up to 336uSv/hr recorded in enclosed areas and abandoned recovery equipment (the claw used to dig at the reactor for instance)....no where near that low at the plant itself. Places like the nearby cemetery which couldn't have the contamination removed still measure higher than maximum occupational limits for adults working with radioactive material. The radiation levels in the worst-hit areas of the reactor building, including the control room, have been estimated at 300Sv/hr, (300,000mSv/hr) providing a fatal dose in just over a minute.
http://www.chernobylgallery.com/chernobyl-disaster/radiation-levels/

Don't get me wrong, I support nuclear power. I just don't believe in pretending it's "safe". That's how Chernobyl happened....overconfidence and irresponsibility. If we consider it unacceptably disastrous if it goes wrong, we might design plants that can't go wrong...The tech exists.

Spacedog79 said:

You'd be surprised.

Geothermal try to keep public exposure to less than 1 mSv per year.

https://www.researchgate.net/publication/283106142_Natural_radionuclides_in_deep_geothermal_heat_and_power_plants_of_Germany

Living near a Nuclear Power station will get you about 0.00009 mSv/year.

Living in Fukushima will get you about 10 mSv in a lifetime, with life expectancy there at about 84 years that is 0.177 mSv/year.

https://www.who.int/ionizing_radiation/a_e/fukushima/faqs-fukushima/en/

Even Chernobyl is almost entirely background radiation now. Radiation is all scaremongering and misinformation these days, so people freak out about it but it really isn't that dangerous. It takes about 100 mSv a year to have even the slightest statistically detectable health effect and far more than that to actually kill someone.

Alien 40th Anniversary Short Film: "Ore"

wtfcaniuse says...

Tiny budget, 10mins to work with and it was better than Prometheus and Covenant even with the dodgy reaction scene in the control room.

FizzBuzz : A simple test when hiring programmers/coders

ChaosEngine says...

I got distracted by all the blinking lights. Where is he... the Death Star control room? Frankly, I'm mildly jealous that my work place does not look as awesome as that.

As to the test itself, it's way too basic. I would expect any beginning programmer to be able to write that with only a few hours training. You could make it slightly more challenging by adding some arbitrary restrictions like "don't use a for loop" (i.e. use recursion) but those are pointless academic wankery.

I actually wrote tests and hired a coder earlier this year. This test wouldn't have got you an interview, never mind a job.

You want to impress me? Start out by writing a test that verifies the output. I don't care if it works, I want to know you can PROVE it works. While you're at it, if I see a console.log or a printf or a cout or any kind of output in your algorithm (unless it's just there for debugging)... instant fail. Learn to separate presentation from logic.

Finally, if you REALLY want to impress me, make it scale. 100 numbers? Meaningless. 1 million? 194ms on my machine.
Write me a version that can do several billion and take advantage of whatever threads/cores are available,

Puddles Pity Party covers "I Want You To Want Me"

Oscars: Behind the Scenes in the TV/television truck.

maatc says...

*Quality!

I used to do this for a news show. Not as many cameras or unscripted elements there, but it did get quite hectic in that control room at times. Loved every second of it!

KDOC: The Best New Year's Eve Show OF ALL TIME.

Sagemind says...

Some of the highlights:
• At one point, the show interviews one of Hugh Hefner‘s ex-girlfriends holding a Carl’s Jr. cheeseburger because the burger chain sponsored this hot steaming pile of disaster.

Macy Gray (remember her?!?!?!) dropped by to give what seems like a completely stoned performance of that song that won her a Grammy 12 friggin’ years ago.

• On multiple occasions, Kennedy and/or the show’s producers ask on a hot mic whether the show is currently live (hint: it was) while liberally peppering in some profanity for the sake of it. The first few seconds of one return from commercial break began with Kennedy on-stage looking around confusedly while off-camera voices asked “Where’s my stage manager?” and declared: “Don’t fucking give me shit.”

• The control room couldn’t seem to figure out how to press the right buttons and so interviews were cut off mid-sentence, camera shots sometimes never changed, random Carl’s Jr. ads ran during the middle of broadcast, and a video of Jamie Kennedy at a comedy club took about 10 seconds to load.

• One random woman in the crowd figured out how to read teleprompter behind co-host Stu Stone and mimicked his read for an entire two minutes. Sheer brilliance.

• Some guy dropped a big ol’ “motherfucker” live on-air.

• Oh hey, Bone Thugs-n-Harmony (remember THEM?!?!?!?!) must’ve time-traveled from the 1990s to perform a few songs, seemingly missing the memo about “not cursing on air,” because… umm… they cursed. A lot.

• Kennedy channels the 2003 film that made him relevant for 10 whole minutes — Malibu’s Most Wanted — and tries his best at hitting on a drunk black woman: “You should go white, because it’ll keep your vagina very tight.”

• The show ends with a spontaneous fight on-stage behind the hosts… and then silence as the credits roll. Perfection.

http://www.mediaite.com/tv/kdoc-los-angeles-had-the-most-spectacularly-disastrous-new-years-special-in-the-history-of-television/

Sorry for being a Dick About the Mars Rover (Sift Talk Post)

ant says...

I know. It was scary! I thought it could fail since I don't trust computers and electronic (I do software testings). I am glad it was good! I watched it on http://www.nasa.gov/externalflash/mars/curiosity_news3.html live at about 10:08 PM PDT. Awesome 64x64 images at first: https://twitter.com/NASA/status/232350219700932608/photo/1 ... I can't wait for more. I will go to sleep soon after I calm down!

Did anyone watch Spirit and Opportunity in 2004? I watched it live with one of the twin rovers back in 2004 on my 15" Apple PowerBook G4 1 Ghz with its wireless in RealPlayer in Mac OS X 10.2.x. I still have it in packed somewhere.

I chuckled when the control room was partying and not really working. [grin]

Dag: Can you send Siftbot to Mars in the future trips?

QI - What's The Best Way To Weigh Your Own Head?

kceaton1 says...

>> ^EMPIRE:

i actually imediately thought of sticking my head in a bucket full of water and collecting and weighing the water that spilled over.
Thank you Archimedes


I as well knew the answer right off, but I should: I love my Physics so I should also know at least when to use the easiest of some uses...

Yes, there are a few different ways mathematically AND experimentally (although they all deal with displacement) to carry this one out. It's really quite a good one to use one day on a High School physics class if you're a teacher and going through that section.

Believe it or not as long as your chest and knees are on the ground, with your neckline not over the scale and your jawline just a few inches over it then the point of your chin onto the scale it will still get a very close result. This is playing around with the fulcrum of your "head's" weight.

For all I know if you could get a control room that provided an electrical field that penetrated the entire human body you could develop a technique to do it that way as well. By control I mean a structured room that absolutely cancels out all of the electrical field in it when the room is empty or at its controlled state; so the only time that the electrical field appears is when something foreign enters into it. Call it resistance weight measurement or something.

I think there's been a mistake. (Sift Talk Post)

BoneRemake says...

If its one of the types of advertising I am thinking this site hosts, then no one in the control room has the reigns on what is advertised. I recall there being a problem with certain adverts and a fluff being made about it and subsequently removed from our site, but I would think that is one of the adverts they have no control over whats presented.

Daddy's Evil Laugh Scares Baby

shagen454 says...

God damn people. You shouldn't even being having children in the first place, selfish, inconsiderate, world-hurting people!

Anyway, this video is hilarious and guess what? It's a BABY. After five minutes it was all forgotten. I only remember the most horrendous things my parents did to me (and what constitutes as horrendous as a child doesn't hold up in reality) I'm sure they laughed in my face, told me that Jack-o-lopes were real hundreds of times, fed me asparagus (which I LOVE now), and all sorts of horrible shit that probably made me cry but I don't remember it. But, I do have a nightmarish story from when I was 3 that I still remember. It may have certainly impacted who I was for a couple years (3,4,5) but nothing more.

I think the most abuse I got as a child was from a doctor. I fell (more like jumped, haha) from the top of bleachers when I was 3 (explains a lot, right) and suffered a severe concussion. I actually remember being pissed at my mom for paying more attention to my brothers baseball game than me, and I wanted to go up to the top of the bleachers. So I did. When I awoke my mom was standing in the corner and I was strapped down to this X-ray machine - it had leather straps that went across my neck, my stomach, my legs and my feet. I panicked and started moving around spastically and the doctor in his little control room started making those leather straps, tighter, tighter and tighter until I could not move at all. I remember it hurting, bad. This lasted 5 or 10 minutes, if my memory of it serves me well. After the straps untightened, I immediately hopped up on that very same table and started screaming "I hate you, I hate you, I hate you" towards my mom. I think my mom thought I was possessed, haha. I still think she should have done something, but I always feel more horrible about saying I hate you to my mom. I really, dislike the phrase "I hate you". It's just too much. But, anyway, that shit was cruel, but I doubt that incident had any sort of influence or factors in how I grew up, how my mind works or trust with my parents or doctors.

That is one of the few memories I have from my early childhood - the only other memories I have from that young an age was when an alien came into my room and freaked out climbed out of my crib but couldn't get the door open, my brother falling in two inches of water in the stream behind our house and he started crying profusely (even though I was 3 or 4 I started laughing at him) and the time my dad brought a RV home that had a sink in it. I remember being very fascinated by that. I'd suspect that something really needs to be strange or messed up for it to impact a baby, child or person in the long run.

The only trust issues I have are with women and that was not because of my mom but because of a she-devil.

Yeah, so make a big deal about a laugh, baby lovers! Just remember babies cry at everything, because they're fookin babies!

BBC News Report - FAIL

chicchorea (Member Profile)

Mechanical Computer - 1953

MarineGunrock says...

Actually, the fire control rooms had more than 20 people all operating in a room the size of a small McDonald's dining area. I looked for pictures, but in the USS North Carolina, they have silhouettes of the operators huddles around the computers and it's mind-boggling how they got it all done. Ah, here it is: https://lh6.googleusercontent.com/_KuYLyRjiSR8/SfXkK4QJYEI/AAAAAAAAFbQ/egYSw3kQhfo/DSC_2338.JPG

>> ^spawnflagger:

Really fascinating videos, I watched all 7 parts. I wonder how much the whole computer weighed?
Seems like it would be a reliable device, as long as it's well greased, and the 3+ operators are well trained.
Of course nowadays a single chip smaller than a fingernail could achieve equal results with 0 operators, but an electronic computer in 1953 would have been much larger and much less reliable (transistor tubes tend to burn out) and required more energy than equivalent to feeding a few humans.

CBC Translator Loses It

legacy0100 says...

So she was translating this person live, can't hear what he's saying so she gives up. Meanwhile unrelated to what's going on in the control room the guy decides to repeat the message in English himself??? LOL LOL LOL

New Order live, 1984: Blue Monday



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