Year: 2012

Passover

10:56 am

For the next two days posting will be light. I am in Chicago visiting family for Passover, the annual Jewish holiday celebrating the release of the Jews from slavery in Egypt. During the Seder meal, Jews read the Haggadah, which retells the story of the Jewish slavery in Egypt and their escape, with the idea of reminding each person what is like to be a slave, and then to be free. As it says in the Haggadah,

In every generation each individual is bound to regard himself as if he had gone personally forth from Egypt.

Tonight, this is what Jews do. It would be nice if all people reflected on this and did the same.

4 comments

The actual cost to launch

7:30 am

In writing this short post on the efforts of Lockheed Martin and Orbital Sciences to launch rockets for the small satellite market, Clark Lindsey made this comment:

It costs around $50 million to launch a Orbital Sciences Minotaur 4, which can put 1,730 kg into LEO while the Lockheed’s Athena 2 will cost around $65 million to put 1,712 kg into LEO. SpaceX currently posts charges $54M – $59.5M for launching to LEO 10,450 kg (equatorial) and 8,560 kg (polar). If SpaceX is able to sustain these prices in routine operation, it will obviously result in some disturbance to the launch industry.

Let’s deconstruct these numbers again, this time listing them by the cost per kilogram:
» Read more

15 comments

The Obama administrations Treasury Secretary admitted Wednesday that the federal government’s debt is “unsustainable,” but then added that solving the problem shouldn’t be a top priority, because the government still needs to “do things.”

2:12 pm

Modern doublethink: The Obama administration’s treasury secretary admitted Wednesday that the federal government’s debt is “unsustainable,” but then added that solving the problem shouldn’t be a top priority, because the government still needs to “do things.”

Geithner’s refusal to confront what he admits is a looming disaster illustrates for all to see the normal operating policies of this administration.

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“The bear population is not in crisis as people believed.”

12:11 pm

“The [polar] bear population is not in crisis as people believed.”

The number of bears along the western shore of Hudson Bay, believed to be among the most threatened bear subpopulations, stands at 1,013 and could be even higher, according to the results of an aerial survey released Wednesday by the Government of Nunavut. That’s 66 per cent higher than estimates by other researchers who forecasted the numbers would fall to as low as 610 because of warming temperatures that melt ice faster and ruin bears’ ability to hunt. The Hudson Bay region, which straddles Nunavut and Manitoba, is critical because it’s considered a bellwether for how polar bears are doing elsewhere in the Arctic. [emphasis mine]

The study here illustrates again the unreliability of another prediction by scientists advocating global warming. The polar bear population might be under threat, but the evidence so far doesn’t yet support that theory.

1 comment

Despite lacking a magnetic field of its own, scientists have discovered magnetic storms surrounding Venus.1

11:45 am

Despite lacking a magnetic field of its own, scientists have discovered magnetic storms occurring in the space surrounding Venus.

The finding, reported today in Science1, suggests that magnetic reconnection may generate auroras on Venus, and could have contributed to the loss of a thick, water-rich atmosphere that scientists believe surrounded the planet during its early history, some 4 billion years ago.

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