Category Archives: Science Links

Cameras and physics of light

Posted on Wed, 2012-02-29 by gravityloss

This should be highschool level deduction. The basics In short: Assuming equivalent sensor technology where read noise or thermal noise doesn’t dominate: 1. Low light performance (low noise in low light photos) is dependent on absolute aperture size 2. Dynamic … Continue reading →

Posted in Photography, Science Links, Uncategorized | Leave a comment

Holy Crap – Quantum Locking

Posted on Wed, 2011-10-19 by gravityloss

Quantum levitation of a superconductiong coil (I assume it’s a coil) on something “locks” it, doesn’t just push it like a magnet. And it looks very very strange. It looks so fake.

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Fukushima status on Wednesday March 16 and what it means

Posted on Wed, 2011-03-16 by gravityloss

Here’s my estimate of the situation. I’m no nuclear engineer but I know something… We use data from JAIF: And an annotated picture of a GE boiling water reactor from UCS: Now, using the above: At least half of the … Continue reading →

Posted in Design, industry, Science Links, Thorium, Uncategorized | Tagged , , , , , , , , | 1 Comment

Get the benefit while everyone pays the cost

Posted on Mon, 2010-11-29 by gravityloss

Dr. Rabett has translated Ottmar Edenhofer’s Süddeutscher Zeitung interview from German. Excerpt: OE: Take coal for example. Worldwide there are about 12, 000 gigatons of coal in the ground. If we want to meet the goal of not warming by … Continue reading →

Posted in Climate, Global, idiocracy, industry, Science Links | Tagged , , , | 1 Comment

Communication between top scientists and public representatives

Posted on Tue, 2010-11-23 by gravityloss

James thinks it’s a great idea, as he’s one of the “top men persons” himself. Of course, the Heartland institute will soon imitate with their own “experts”. 🙂

Posted in Climate, idiocracy, Science Links | Tagged | Leave a comment

Gravity Assist Competition

Posted on Wed, 2010-10-06 by gravityloss

Or The Space Game, by ESA. This is a nice javascript webpage where a probe is shot from Earth to Jupiter with gravity assists at Venus (twice), Earth and Mars. You try to achieve the lowest propulsive delta vee. You … Continue reading →

Posted in Architecture, Astronomy, Depot, Design, Energy, ESA, Homebuilt, industry, Launchers, Lunar, Models, Motivation, Science Links, Spacecraft | Tagged , , , , , , | Leave a comment

Humans Fast, Machines Slow

Posted on Thu, 2010-09-09 by gravityloss

Detach a small capsule with the humans that goes directly to the surface (with only days of life support) and leave the untended craft to do multi-pass aerobraking Continue reading →

Posted in Architecture, Colonization, Depot, engines, ESA, Global, industry, ISRU, JAXA, Lunar, Models, Motivation, NASA, RLV:s, Science Links, Spacecraft, Transportation | Tagged , , , , , , , , , , | Leave a comment

All Tarkovski Films Free Online

Posted on Wed, 2010-08-11 by gravityloss

Noticed by Things Break. I’ve only seen Solaris. It had a lot of good in it, although it was quite uneven and somewhat overlong. Certain acting is very intensive and memorable. Having read the book twice, I even experienced it completely … Continue reading →

Posted in Art, Colonization, meta, Motivation, Science Links | Tagged , , , , , , | 1 Comment

The Last I4

Posted on Tue, 2010-08-10 by gravityloss

It doesn’t have the same sound as “The Last V-8” now does it? When you look at what’s happening in the world of automobiles, you get some idea of a change. It is always slow, yet I predict that when … Continue reading →

Posted in Architecture, Climate, Energy, Global, Homebuilt, Motivation, Science Links, Transportation, Uncategorized | Tagged , , , , | 1 Comment

The Laws of Physics

Posted on Mon, 2010-06-28 by gravityloss

Regarding light gathering area and sensor noise are harsh. Well, it was cheap and it’s tiny and has a rechargeable battery. Maybe it’ll do something worthwhile. The view is from the kitchen window after 11 pm. Why do these things … Continue reading →

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