High blood pressure is only bad as it potentially leads to heart attacks, strokes, etc, not on its own (you cannot even feel it usually). However coffee consumption appears to have a protective effect on the cardiovascular systems.
That is more or less along the lines of what I have seen. There is some evidence that it is beneficial in several ways, and very little indication that it may be harmful.
Re:Ken Murray's blog
on
How Doctors Die
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· Score: 4, Insightful
Even if that is true, there is no reason to think that addition is bad per se, as long as there are not negative health or social effects associated to it.
1600 WH, for those who are uncalibrated, is approximately enough power to run a hair dryer non-stop for an hour: the maximum amount of power you can get out of a standard US wall outlet, for a solid hour straight. It would run your laptop for 2 to 3 years without sleeping. In other words, a highly non-trivial amount of electrical oomph.
You are off by two orders of magnitude. This 6-cell battery is approximately 55Wh and is rated for 8 hours. Thus a 1600wh battery is enough to run your laptop for about 30 times as much, which is 240 continuous hours. That's 10 days.
Depends on your field of study/institution. Our Ph.D. students (CS) make slightly more than $2k/month. Health insurance is also quite heavily subsidized (at least a few k/year). Don't remember the exact amount of tuition, somewhere between $10k and $20k.
I do not see a connection between a Mars station and an interstellar mission. Mars mission is certainly possible, although hugely expensive, with scaled up existing technology (after all we have sent a number of robots there). For interstellar flight we need something radically different. You cannot get to the moon by building a very high tower.
There is a 50-60% overhead charged by the university. Overall, it is somewhere around 60k/year to support a student. Add travel, equipment, etc, and 500k is not that much more.
Actually, a permanent space station on Mars will not make interstellar travel any more feasible. We do not have any even semi-realistic propulsion system to get to the nearest stars in less than a few thousand years. Until such system exists, interstellar travel will remain sci fi.
On the other hand, developing and testing a system of interstellar propulsion will probably cost billions and trillions, while a lot of publicity can be obtained with a lousy $500k.
I think energy of 7500 gallons of gas is only a couple of orders of magnitude lower than the energy released from of 1g of antimatter reacting with matter. Antimatter is considerably more rare than thorium and is slightly more difficult to store, unfortunately.
Certainly, I would not claim that Osama invented the idea of terrorism.
The difference between all these people (starting from the 19th century anarchists) and Osama Bin Laden is that he was far more successful in causing damage than anyone else.
First, yes, compared to the size of pre-war German economy, $300 million in modern dollars is chump change. In modern times to maintain a single aircraft carrier for a month costs more than that.
Second, he only had a small part of that (estimated at $20-30 million, according the The Economist) at his disposal after his assets were frozen in the 90's.
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Let's not multiply entities beyond necessity here.
High blood pressure is only bad as it potentially leads to heart attacks, strokes, etc, not on its own (you cannot even feel it usually). However coffee consumption appears to have a protective effect on the cardiovascular systems.
Well, their budget is larger than that of the National Science Foundation. If that is not obscene, I do not know what is.
$7.85 billion is the budget, not the budget increase.
That is more or less along the lines of what I have seen. There is some evidence that it is beneficial in several ways, and very little indication that it may be harmful.
Even if that is true, there is no reason to think that addition is bad per se, as long as there are not negative health or social effects associated to it.
Yeah, that photo is impressive.
1600 WH, for those who are uncalibrated, is approximately enough power to run a hair dryer non-stop for an hour: the maximum amount of power you can get out of a standard US wall outlet, for a solid hour straight. It would run your laptop for 2 to 3 years without sleeping. In other words, a highly non-trivial amount of electrical oomph.
You are off by two orders of magnitude. This 6-cell battery is approximately 55Wh and is rated for 8 hours. Thus a 1600wh battery is enough to run your laptop for about 30 times as much, which is 240 continuous hours. That's 10 days.
What is the evidence for coffee being bad? From what I've read coffee is likely to be healthful.
It is quite sad how few people could do these simple ballpark estimates... I teach CS and half of my students do not know that 2^10 \approx 1000.
As a Ph.D. in physics you should have realized that there was only one answer which looked about right in magnitude :)
Everything else was way smaller or way larger.
From the article:
Today's bombs are smaller but more precise, reducing the amount of collateral damage, Kristensen said.
Amusing, considering that he is talking about bombs tens of thousand times more powerful than the largest non-nuclear munitions.
Depends on your field of study/institution. Our Ph.D. students (CS) make slightly more than $2k/month. Health insurance is also quite heavily subsidized (at least a few k/year). Don't remember the exact amount of tuition, somewhere between $10k and $20k.
I do not see a connection between a Mars station and an interstellar mission. Mars mission is certainly possible, although hugely expensive, with scaled up existing technology (after all we have sent a number of robots there). For interstellar flight we need something radically different.
You cannot get to the moon by building a very high tower.
It, or anything close to it, has never been tested. I would not say it is impossible, but certainly not realistic at this point.
Here are the approximate costs: (2k/month salary + subsidized health insurance +tuition)*1.5 overhead. The total is about 60k.
There is a 50-60% overhead charged by the university. Overall, it is somewhere around 60k/year to support a student. Add travel, equipment, etc, and 500k is not that much more.
Actually, a permanent space station on Mars will not make interstellar travel any more feasible. We do not have any even semi-realistic propulsion system to get to the nearest stars in less than a few thousand years. Until such system exists, interstellar travel will remain sci fi.
On the other hand, developing and testing a system of interstellar propulsion will probably cost billions and trillions, while a lot of publicity can be obtained with a lousy $500k.
Is a bit more than support for one graduate student for five years. Almost nothing, in other words.
I think energy of 7500 gallons of gas is only a couple of orders of magnitude lower than the energy released from of 1g of antimatter reacting with matter. Antimatter is considerably more rare than thorium and is slightly more difficult to store, unfortunately.
> The only thing the TSA (and our government as a whole in the same vein) has done is to encourage the terrorists even more.
TSA needs the terrorists (or, more precisely, the threat of terrorism) to justify its existence.
This seems to be a pretty blatant attempt by a very unpopular organization to scare people into accepting restrictions on personal freedoms.
US Postal service and Fedex have pretty amazing bandwidth. A few petabytes of data can be easily transferred within a day or so.
Certainly, I would not claim that Osama invented the idea of terrorism.
The difference between all these people (starting from the 19th century anarchists) and Osama Bin Laden is that he was far more successful in causing damage than anyone else.
First, yes, compared to the size of pre-war German economy, $300 million in modern dollars is chump change. In modern times to maintain a single aircraft carrier for a month costs more than that.
Second, he only had a small part of that (estimated at $20-30 million, according the The Economist) at his disposal after his assets were frozen in the 90's.
I am not sure what you are comparing. Hitler had all the resources of German military and industry behind him, while Bin Laden had virtually nothing.