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[Weekly Discussion Thread] Scientists, what are the biggest misconceptions in your field? by fastparticlesin askscience

[–]tt23 1 point2 points ago

Well the Russians build one extra HX, each in a separate bunker, so they can operate with one HX on fire :D

[Weekly Discussion Thread] Scientists, what are the biggest misconceptions in your field? by fastparticlesin askscience

[–]tt23 0 points1 point ago

This is all correct for thermal spectrum reactors, which will lose maximum reactivity configuration on any meltdown type accident. Fast spectrum reactors are a bit different can of worms in this relation, and going through accident scenarios with them persuaded me away from LMFBRs...

Why It's So Hard To Make Nuclear Weapons by trot-trotin TrueReddit

[–]tt23 4 points5 points ago

Stuxnet, assassinations of key people, etc.

China should have a 5 megawatt liquid flouride thorium nuclear reactor in 2015 by isanmateoin energy

[–]tt23 2 points3 points ago

This was a comment about fusion though

NPR: Is Thorium A Magic Bullet For Our Energy Problems? (Please note first/only comment is by Kevin Meyerson.) by gordonmcdowellin thoriumreactor

[–]tt23 2 points3 points ago

Even with Pa separation you end up with a lot of U232 in a realistic (power) reactor, due to (n,2n) reactions Pa. For pure U233 one needs a dedicated low flux facility. If somebody went to that much trouble, he would have already realized that a dedicated reactor for WG Pu239 would be a cheaper, faster, and less risky option.

Also, population-wise most nations are either nuclear weapon states, or are signatory to NPT, so it is irrelevant both ways - technically and politically.

83% of repubilcans voted for cispa while only 23% of democracts voted for cispa. So to the redditors who keep saying the parties are the same are you not going to vote this year? by redditgolemin politics

[–]tt23 0 points1 point ago

That's kind of the point, isn't it? You don't want to be a part of it so you don't participate.

It does not work like this.

That's a perfectly valid position to take. It's the same as choosing not to shop at Walmart as a stance against it.

It is not. It shows deep and profound misunderstanding of how the democracy works: If you boycott Wallmart, you shop elsewhere - while if you do not vote, you just give up your power to those who do vote.

Tea party congress of 2010 is therefore your fault too. Hope you like it.

PhD Comics Explains the Higgs Boson: Jorge Cham visits CERN. by josephsmidtin Physics

[–]tt23 8 points9 points ago

Eventually

List of German coal and gas power plants planned, approved, and under construction by katana0182in energy

[–]tt23 2 points3 points ago

US is 50% coal, 20% gas, 20% nuclear, 10% hydro, and the rest is wind and solar. Germany used to have much larger non-polluting part of energy mix than US. Now they are going backwards to coal burning.

Also US is much more sparsely populated than Germany so people drive much more.

If you want to actually compare how clean the electricity generation is, compare CO2/kWh, not per capita. Also compare similar countries - Germany and Denmark versus France and Switzerland or Sweden. Germany and Denmark have more than order of magnitude larger emissions per produced kWh.

Fukushima: Probability theory is unsafe by PornAgainChristiansin energy

[–]tt23 9 points10 points ago

Indeed, almost any other energy source killed more people than nuclear since the earthquake, from broken dams washing away villages to explosions of ruptured gas lines to oil refinery fires.

50 year old nuclear power technology is still the safest technology we have, but it still could (and should) be improved. Governments are not willing to spend a dime on advanced nuclear though, there is ~100 people involved actual academic MSR research in the world total, excluding China...

Fukushima: Probability theory is unsafe by PornAgainChristiansin energy

[–]tt23 6 points7 points ago

Regarding:

We must show how we can avoid core meltdowns under any circumstance.

It was (and still is) a matter of policy not to pursue reactors which are walkway safe, and can survive almost anything you throw at them including station blackout, such as well designed molten salt reactors. Weinberg was warning about problems with pressurized water cooled solid fueled reactors safety in extreme circumstances 40 years ago - he got fired and the program of safe reactors was scratched.

http://thoriumremix.com/

US to sanction authoritarian regimes that block internet access for protesters by Atashin worldnews

[–]tt23 0 points1 point ago

This reads like a Monty Python script:

In June 1998, another submarine got caught in fishing nets at Sokcho and its crew killed themselves. Such is the fighting spirit of North Korean soldiers.

"The Numerical Recipes license is the RIAA of the scientific community." by ropedNtiedin Physics

[–]tt23 0 points1 point ago

http://www.alglib.net/ is good and has dual licensing

What are some Windows command lines that everyone should know? by Geeky_Robotin sysadmin

[–]tt23 -1 points0 points ago

http://www.cygwin.com/ - makes Windows usable

Gov. Walker quietly signs several controversial bills into law (removing women's rights to equal pay, requiring abstinence only education, and making it harder to get an abortion) by SandieSandwicheadmanin politics

[–]tt23 0 points1 point ago*

The practical difference is that you paid taxes on the income already when you make the capital investment. You can't invest pre-tax.

And then you amortize the investment over time. So it is the same as I said, you just forgot the most important point.

Having loans does not make someone greedy.

I have not even suggested that, calm down and re-read what I wrote.

Indeed had the businesses payed higher taxes, you could get your education publicly funded, as is customary in most developed countries. Somehow in the countries with much large effective tax rate the small businesses are nevertheless doing just fine: http://www.tnr.com/blog/timothy-noah/102447/back-1955

You fallen for simplistic argument which is both theoretically erroneous, and also disproved by actual experience in other countries. Funny enough, you dont even seem to like its inevitable consequence of piling up student loans, medical bills etc. Enjoy your low tax crusade.

Gov. Walker quietly signs several controversial bills into law (removing women's rights to equal pay, requiring abstinence only education, and making it harder to get an abortion) by SandieSandwicheadmanin politics

[–]tt23 -1 points0 points ago

You are making it sound way too complicated. The only practical differences between capital expenditures and expenses is that you account for expenses as a whole when accrued, while the capital expenditures are amortized into expenditures over time - which is actually advantageous for the business.

In either way the revenues reinvested into the business - be it new office supplies, equipment, or hires - counts against the tax base, so a prudent response of a business owner to a tax hike is to expand business by investing into it.

This whole anti-tax rhetoric is a bunch of nonsense of greedy rich people who are more often than not renters on money they did not make themselves, not actual business owners and certainly not job creators.

Gov. Walker quietly signs several controversial bills into law (removing women's rights to equal pay, requiring abstinence only education, and making it harder to get an abortion) by SandieSandwicheadmanin politics

[–]tt23 -1 points0 points ago

My arguments are from talking to people who run small businesses, not from actual experience, and my accounting education is limited.

That said, there are ways how to account business expenses for what they are. Your argument seems to be that if a small business has a poor accountant, he will get hit by taxes. Well I agree, but the problem is not in taxes, but in the bad accountant.

Investing back into the business with after-tax income from the cash account is not tax deductible and is not listed in expenses.

Indeed, this is why you invest before-tax income in your business.

If you have a big investment, get a loan, or save up for it in some form of tax differed savings account ("rainy day fund") - either one declared as such, or invest into business related liquid assets which effectively work as a tax deferred saving account since you can sell them before making the investment.

Gov. Walker quietly signs several controversial bills into law (removing women's rights to equal pay, requiring abstinence only education, and making it harder to get an abortion) by SandieSandwicheadmanin politics

[–]tt23 0 points1 point ago

You aren't making mortgage any longer, personally.

Why dont you declare the place with mortgage as of business, and then your mortgage payments are your tax deductible business expenses?

And you have less to invest back into the business.

Here we are back to where we started - what you invest into your business is an business expense, which is tax-deductible.

Net income is needed for retained earnings. It can be used to retire debt, expand operations, or any other number of necessary business purposes.

These all can be tax deductible business expenses.

Moral of the story - business expenses are tax deductible. Higher taxes force business owners to invest back in the business, such as hiring more people.

Gov. Walker quietly signs several controversial bills into law (removing women's rights to equal pay, requiring abstinence only education, and making it harder to get an abortion) by SandieSandwicheadmanin politics

[–]tt23 1 point2 points ago

Except the taxes payed by the business owner on his own salary, all these are part of his expenses. So his expenses will increase, lowering the total tax base. If he is employing few people, increase in his own taxes is rather small part in the overall picture, esp. since many things non-business owners have to purchase on after-tax income, a business owner can claim to be a business related expense. I still do not see how this makes an economic argument for employment.

Gov. Walker quietly signs several controversial bills into law (removing women's rights to equal pay, requiring abstinence only education, and making it harder to get an abortion) by SandieSandwicheadmanin politics

[–]tt23 4 points5 points ago

I do not get this argument at all: income taxes are payed from profits, that is (earnings - expenses). Salaries of your employees are your expenses. Hence no income tax increase could affect how many people you can afford to hire (as long as they are legal).

Care to explain your argument?

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