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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.

Vox: Why gamers use WASD to move

Zaibach says...

I never played against Thresh but Quake 1/2 TF/CTF/Death Match and Half-Life 1 TF/CTF/Death Match are among the best gaming years I've had during my teens.

I really miss those early glory days of FPS.

Freezing 200,000 Tons of Lethal Arsenic Dust

C-note says...

The mining company extracted $8 Billion in gold and the government (tax payers) is picking up the tab of $934 Million for remediation over the next 100 years for something that does not have a half-life or decays. Regulations, the rule of law, right and wrong really doesn't matter to those who profit.

The Rise and Fall of Half-Life - YouTube

Meet SpotMini

Colbert To Trump: 'Doing Nothing Is Cowardice'

newtboy says...

Ok, statistics class was 28 years ago....and I was pretty high by midnight. We both made mistakes...i still say that blaze chart is bullshit and intentionally misleading in multiple ways.

How many years before a 50% chance of cancer...heart disease, death by stairs...etc. We don't assess things that way, so it's just a nice big number to trot out and pretend it's meaningful.

Statistics can be used to prove anything, forfty percent of all people know that.

What if you put them all together, including suicide and accident, instead of starting by dividing into various gun death categories then choosing the least probable category to extrapolate? Now compare them to other dangers we strongly regulate against with evolving regulations, like automobile accidents. That's how these stats are properly used. Dangers aren't radiation, you don't look at the half life to comprehend them.

scheherazade said:

Probability doesn't stack like that.

Imagine this.
25% chance. I.E. 0.25 ratio.

Using your method, after 10 trials, the ratio is 0.25 * 10 = 2.5, aka 250%. Beyond certain.



The proper method for 10 trials at 25% is : 1-(0.75^10) = 94% chance.

https://en.wikipedia.org/wiki/Geometric_distribution#Assumptions:_When_is_the_geometric_distribution_an_appropriate_model.3F



Hence why 1/24'974 per year (aka 0.004% chance per year) needs 17'000 years to reach 50% chance overall.

If you use the discharge figure (1/514'147), you get to 350'000 years to reach 50%.

-scheherazade

ChaosEngine (Member Profile)

eric3579 says...

How bout just the story
Half-Life 2: Episode 3
http://www.marclaidlaw.com/epistle-3/

Here it is with corrected names etc. https://github.com/Jackathan/MarcLaidlaw-Epistle3/blob/master/Epistle3_Corrected.md


ChaosEngine said:

Kinda hit the nail on the head with that.

I would love to see Valve blow everyone's minds with a genre redefining masterpiece that changed gaming forever.

But at this stage, I'd be happy with a reasonably produced machining that just finished the damn story!!

MXPhoenix hexapod robot terrain test

ant (Member Profile)

Why We Need Half Life 3

kingmob says...

Fro awhile I kept expecting them to come out of left field with new engine tech like they did for Half-Life 2 AND TF2.

But now I have just resigned that it will never happen unless they sell the IP to someone else.

They lost a good percentage of their killer art department to Arkane anyways.

Preggnancy Questions. Am I pragnance?

THE TURING TEST Trailer (2016)

ForgedReality says...

It reminded me of Half-Life 1 when they did that face reveal. All that build-up and I was expecting something amazing. Then, bam! That unholy abomination. It's hardly even recognizable as humanoid. Holy shit, how is this considered a finished product?

Yeah I get it. Graphics don't make the game. But they do help you to get more immersed in the world and lose yourself in the lore. Something this dated coming out in 2016 just feels rushed and lazy.

Prior to that face, the walking animation was really bugging me especially with the way the legs moved once the feet hit the ground. Just totally unnatural.

ToastyBuffoon said:

I don't know about 2001, but there are some seriously low res textures in there and stiff animation. It certainly doesn't look much better than a modified version of the source engine.

Carnivorous Worms Catch Bugs by Mimicking the Night Sky

ant (Member Profile)

Classic DOS games roundup, circa 1995

shagen454 says...

I was 13/14, games back then were magical. Anytime I was on a plane or in the car I was reading PC Gamer or CGM drooling over the demos (or shareware!), ads, previews and reviews. Remember those days? When information on gaming was largely through print?! I still remember those Dark Forces previews, I could have shot a load. PC gaming at that point really was fucking cutting edge.

1997 & 1998 also hold a special flame in gaming for me - 1997: Ultima Online (actually learned HTML and had a website for UO cuz I was a NERD), Fallout, GTA, Age of Empires, Dungeon Keeper, Quake II, Myth (incredible multiplayer component probably even still).

1998: Starcraft, Half-Life, Baldur's Gate, Thief, Grim Fandango, Fallout 2, Tribes, THIEF, Unreal, Commandos.... so many innovative games back then. Now we just build on them over and over and over again



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