search results matching tag: dino

» channel: learn

go advanced with your query
Search took 0.000 seconds

    Videos (101)     Sift Talk (2)     Blogs (5)     Comments (100)   

Louis C.K. & Conan Remember The Early Days Of "Late Night"

Seconds From Disaster : Meltdown at Chernobyl

GeeSussFreeK says...

Indeed, I am all for reactor simplification, the reactor I want to see constructed could theoretically be nearly completely made on a factory line then shipped and installed very simply. The molten salt reactor concept is just a bunch of pipes with a graphite core. Most of the Gen4 reactors have this goal, and while large construction projects do mean jobs, usually good jobs...they are also costs, and if we want China and India to adopt greener power systems, they need to be cheaper than coal.

http://www.youtube.com/watch?v=N2vzotsvvkw

I am going to sift this after I post, but it is a short look into reactors in general, and why the MSR and other potential Gen4 concepts could eliminate that huge capital and labor cost. And nearly completely eliminate radioactivity problems to the general public.

300 billion is actually not to much money when you get down to it. Each year, the global economy spends up to 10 trillion dollars on dino fuel technology. Considering the reliability of NPPs and the nearly 90% load rate over the course of many years...those costs are really really good! Typically speaking, when you consider the costs of decommissioning, waste transportation, nuclear generally ends up being about on par with coal...mostly because nuclear plants last so darn long, over 60 years for some of our gen2 plants in the US and still going strong! Compare that to the 150 billion or so Germany has spent on solar project to their total ACTUAL output and it is a very telling tail. Even more so when you look at total carbon emissions of Germany compared to France.

Waste is actually what made me anti-nuclear myself. My introduction to caring (negatively) about nuclear was the Fukushima Daiichi incident. But after learning more about that situation, I actually really started to appreciate nuclear more. No one died as a result of FD failure, the containment building stopped most of the most harmful radiation, and the stuff that did get out is the really mild stuff (stuff with the million year half lives). I don't want to downplay this, it is still a very serious industrial mess to clean up, but compared to the 20 thousand people who died in the Tsunami and the tons of fuels, trash and other crap that got souped around in Japan as a result, the old reactor help up respectably, and is a credit to the operators (all of whom are currently alive an well).

I had a common misconception about radioactivity, I thought something with a long half-life was bad because it was going to be radioactive for a long, long time. That is mostly wrong. What that means is it is going to be hardly radioactive for a long time, elements that are short lived are VERY radioactive, but disappear very fast. I don't want to mire you in most of the gritty details, but the fission products reactors produce don't last very long, most only hours, a fewer some decades, and only a few longer than that. Stuff that has billion year a billion year half life...well, you don't really need to worry about it at all, it just isn't that radioactive. Most of the worry is based around "transuranics". That is just fancy speak for "stuff heavier than uranium". This is the stuff like Plutonium and Curium ect. The great thing about modern, Gen4 reactors is they don't really make those things...the thorium reactor I like starts with thorium, which is a long, long way from making anything heavier than uranium (less than 1% theoretically possible). So micrograms per year...not really that much to worry about (there is also no way to really get that to go into the environment because we don't use pressure vessels, but I will leave that to Kirk to explain).

I don't want to make it sounds like there isn't any risk or anything, but the risks have been way overplayed by political interests and not technical ones. For instance, many of the exclusions zones for FD were way overblown, they were no more radioactive than my home in the mountains ...but that isn't want you heard in the news.

But I think I will leave it like that. Nuclear has a bunch of mystic joojoo around it. Don't take my work for it, please, give "bill gates nuclear" a google, or other "gen4 reactor" stuff a chance before you completely write off nuclear as a green option for the future. I personally think it will have a big role to play if we want to stem off CO2 production AND bring more people into a western quality of life. Thanks again for the back and forth.

TYT: Obama's Record on Climate Change

GeeSussFreeK says...

>> ^VoodooV:

It's less dirty coal, but it's still dirty, yet they get to call it CLEAN for some reason.
cold fusion, solar, hydrogen fuel cells or GTFO


Name 3 things that won't work in time for it to matter!

Go gen4 reactors, lots of them, and now! I recommend David MacKay's book "Sustainable Energy - without the hot air" as to why I believe this. Available for free at http://www.withouthotair.com/

Video reference here:

http://videosift.com/video/TEDxWarwick-Physics-Constrain-Sustainable-Energy-Options


But ya, coal needs to go, but you have to remember, 2 billion people live in abject poverty. They try to bridge the gap using as cheap a source of energy they can...like coal. Until you make energy cheaper than coal, your never going to displace the use of dino fuels around the world. The physics on fusion, solar, and hydrogen can't answer that call for quite awhile (we have been trying to make fusion work for decades, same with solar, and fuel cells are just terrible right now and only work for transportation fuels not baseload power generation). I do think we can answer a large number of these problems with new generations of nuclear power, with passive safety and no emissions, gen4 reactors have a lot of great points if people give them a chance!

http://www.forbes.com/sites/jamesconca/2012/06/10/energys-deathprint-a-price-always-paid/

In relation to the direct content of the video, your NEVER going to get China and India on board with giving up cheap energy...they are BOTH x3 the population of the US, they have to care about cheap energy WAAAAY more than us, for population and standard of living issues. The only way to win this isn't through regulation, it is through technological innovation...and China has been buying up our AP1000 Gen3 for all the reasons I just mentioned.

To say that dino fuels are "Destroying us" is a little bit of a misnomer, you don't get food without hydrocarbons, you don't have refrigeration without hydrocarbons, you don't get heating and cooling without hydrocarbons. Energy isn't the enemy, any attempts to price out energy will only hurt the most reliant on its low price...if you doubled the price of gas via taxation, you aren't helping the little man. Cheap energy prices, even if they are oil based, aren't the devil, any attempts to make them so is a misunderstanding of the energy crisis. More oil drilling isn't even going to lower costs, at best, it will keep them the same, but peak oil in the US has already come, more drilling in more exotic places is just going to tow the line...and it isn't even going to do that.

Talking about clean coal is just so "we" can talk about how much we need cheap energy without talking about the health effects. Coal does kill, without a doubt, but so does electricity so costly you can't afford heating or cooling. You can't call for an elimination of coal without talking about what is going to replace it, and at what cost. This is even MORE relevant with the recent spout of weather, imagine if that area was packed full of solar and wind...it most likely be completely destroyed, and those are already very cost heavy forms of energy.

Anyway, I will end the rant. I really recommend the book above if you wish to delve down the rabbit hole of energy solutions. It isn't as easy as you think, it is why we are still using dino fuels. Any path you choose is challenging, and VERY capital and R&D intensive. Were are talking multiple trillion dollars to role out replacements on a national scale. Now, oil does a trillion a year, so this isn't outside the realm of possibility, but it is going to take a technical answer to solve, not a political one.

Weathergirl Goes Rogue

GeeSussFreeK says...

The science seems pretty clear on man made climate change, what isn't as clear is what the means for the ecosystem at large. Weather models are harder to predict than climate, but that is even more reason to tread lightly. In the end, though, until clean energy is cheaper than dino fuels, don't expect any change. That is why I place my chips on nuclear energy, it is the fastest and cheapest way to roll out energy cheaper than coal...the only kind of energy the emerging 3rd world can afford.

That is one big pile of shit...

Tea Party is the American Taliban

dhdigital says...

I really like this show. I acknowledge that it is still a tv drama, but if I put my political side aside. There are some very valid points in this show, such as candidates should be held accountable to their answers. It also makes a point that both political sides should work together to accommodate the people who voted for them. How information is miss-gathered and manipulated for the masses. I do like how the show calls out that the government is being bought by businesses. Also, that it calls out rino's and dino's, which I discussed at work the night before. It also tries it best to be the "news" to inform the public to let them make their own decisions.

I really wish this was a real channel. I'm okay if someone makes a mistake, but I respect them more when they admit it.

Amazing Reactions by Dino Zamparelli in a F2 Car!!

mintbbb (Member Profile)

Amazing Reactions by Dino Zamparelli in a F2 Car!!

Obama's Former Professor: "Don't Vote For Obama"

KnivesOut says...

I don't necessarily agree that 4 years of Rmoney would be better than solidifying the power-base of these Dino's, but I respect the man for taking such a nuanced position.

Naughty Parrots (Cute as Buttons!)

geo321 (Member Profile)

Lion playing football (Soccer)

Green/White Ranger Wins MMA fight - For Eric

Just a Classic Dinosaur Laser Fight

Ti_Moth says...

It was an ordinary day at Dinosaur High
When Stegosaurus raised his hand and called for high-fives
Tyrannosaurus saw this and got pissed
Because his tiny wrists
Caused his high-five to miss
And he was like "Fuck this!"

Oh Yeah! Oh yeah! It's an old school Dinosaur Laser Fight!
Oh Yeah! Hell Yeah! Just a classic Dinosaur Laser Fight!

It was a futuristic prehistoric throwdown
But it was quiet because in space there is no sound
Did we mention that this took place in space?
It did. So shut your face
Also, there were robots and sharks

Oh Yeah! Oh yeah! It's a goddamn Dinosaur Laser Fight
In space! With sharks! It's a balls out Dinosaur Laser Fight!

It's fucking science!
Just ask Albert Einstein. He invented space.

...and then a bunch of fuckin aliens from Mars
Showed up all ripping solos on V-neck guitars
The dinos, sharks, and robots saw they came in peace
So they killed them with lasers
HOLY SHIT!

And then they had a giant laser party
A Dinosaur Laser Party!

FUCK!!



Send this Article to a Friend



Separate multiple emails with a comma (,); limit 5 recipients






Your email has been sent successfully!

Manage this Video in Your Playlists

Beggar's Canyon