Category Archives: Science

Fukushima Daiichi reactors faults

Donate to the Red Cross

Let’s assume that the Fukushima Daiichi reactors collectively manage a plume the size of a square kilometer with radiation levels of 400 mSv/hour. Now, to get comparable numbers we need to get the dose per year:

400 x 24 x 365 = 3.5 million mSv/year.

Now let’s take that as a uniform distribution over 1 km square and spread it out over the whole earth. Divide by 500 million square km (global distribution).

3.5 million ÷500 million = .007 milliseiverts / year

One Japanese reactor site is not going to sustain that level of emission for a week, much less for a year. Also, 400 mSv/hour is probably a peak value not average value. The real numbers are much, much less. So,the absolute crazy-absurd worst case scenario is less than .007 mSv / year globally.

Typical, natural background radiation levels are about 2.4 millisievert (mSv) per year. You are already being irradiated at this moment with 342 times the absolute worst case dose from that reactor. So crunch your iodine tablets if it makes you happy, but people in Japan are suffering from the quake and tsunami damage, not radiation. How about we spend our iodine budget on helping out the Red Cross?

Adapted from Pournelle http://www.jerrypournelle.com/

Robotics is better for America than football

According to this story which was covered by reddit not too long ago:

Current members of the first Portland area high school robotics club — chartered as “Team 1432” by FIRST Robotics Competition (FRC) — ponder the club’s future as they sit with their only asset — last year’s robot — in the dank basement of an aging fraternal organization’s clubhouse

There is a high school in Oregon that is disbanding its robotics team on a technicality and pocketing the money that the team raised for its competition. I have nothing against football, but it strikes me as unfair that this would never happen to a football team.

This got me thinking that Football,a s an industry, is probably smaller than Robotics. And, indeed, I was pretty close. Both American Football and Robotics are about $6 billion businesses annually. In the next few years, toys and domestic service robots like the Roomba will likely reach about $6 billion., according to The Robot Report.

There is no reason to think that a person has a better chance of getting a job in football than in robotics. Now, to some people, football is entertaining. But shouldn’t school be a place where students are encouraged to do more than entertain themselves?

-Peter

Income Distribution

There are five people at the table. One of them owns the table, the turkey, the stuffing, the salad and the pies. The other four people all pooled their resources to buy the cranberry sauce and the casserole. The richest 20% of Americans own 84% of the wealth in America.

This graph is distribution of the Bottom 80%. This graph tops out at $100K. The people who own the vast majority of America are not even on this graph.

I got on this topic thanks to”The ‘American dream’ is actually Swedish.” Sweden is a social democracy, if I may remind the reader. http://www.thelocal.se/30008/20101103/

Data:

http://pubdb3.census.gov/macro/032007/hhinc/new06_000.htm

Data:

http://pubdb3.census.gov/macro/032007/hhinc/new06_000.htm

Nuclear Renaissance China

It seems that there will be a nuclear Renaissance in China.

https://www.llnl.gov/news/aroundthelab/2010/Nov/ATL-110510_china.html

This is probably good news for US companies who can can bid on contracts for the components for new reactors. And the US still is a leader in that field. China considers Nuclear energy to be Green energy – as well they should. The Chinese coal industry kills miners regularly and sickens the populace with pollutants. Say what you will about nuclear energy, it kills a lot fewer people and the pollution is, gram for gram, a enormously smaller problem.

-Peter

Bioprospecting

I’ve been thinking about There Will Be Blood (based on Upton Sinclair’s Oil!) and its relationship to present day. In the movie, a ruthless oil prospector risks life and limb looking for mineral wealth – and in particular, oil. The complete lack of technology is staggering. For the first half of the move (set in ~1900) the main character is literally digging for oil with a shovel. And after a great deal of labor and conniving, he becomes fantastically wealthy. It reminds me of Charles Steen, about whom I read in Uranium by Tom Zoellner. Another ruthless bastard, he got rich in the Uranium mining boom in the 1950s.

Firstly, let me say that out of a million bastards with shovels, only a tiny percentage had the cunning and physical prowess to make it big. And only one of those actually stumbles on to a big enough claim to be rich. One in a million. In 100 years, there are maybe a dozen examples of rich men who started out with determination and a shovel.

Having said that, what’s out there for future prospectors? Not oil or uranium or any mineral. In places where such things are abundant and land is cheap, a major corporate interest will take it over from any tiny private party who might get in the way. Think I’m joking? “The oil giant Shell has agreed to pay $15.5m (£9.6m) in settlement of a legal action in which it was accused of having collaborated in the execution of the writer Ken Saro-Wiwa and eight other leaders of the Ogoni tribe.”

Maybe the future is in bioprospecting. Imagine exploring the antarctic seeking the rare octopus whose venom will lead to a better understanding of protein folding at cold temperatures – and from there to cold-adapted vaccines, storable antibodies, and cures for major diseases, etc. Maybe it’s happening now.