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Kirk Sorensen

@kirksorensen • 5,337 subscribers

nuclear and aerospace engineer, thorium evangelist, father of four

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The International Space Station experiences constant, low-level aerodynamic drag, which causes its orbit to steadily decay. Electrodynamic tethers had long been proposed to generate thrust by using solar power to drive electrical current (collected from the ionosphere in this animation) against an induced voltage, adding orbital energy to compensate for that which was lost to aero drag.

The International Space Station experiences constant, low-level aerodynamic drag, which causes its orbit to steadily decay. Electrodynamic tethers had long been proposed to generate thrust by using solar power to drive electrical current (collected from the ionosphere in this animation) against an induced voltage, adding orbital energy to compensate for that which was lost to aero drag.

96,255 views

I applied Canfield joint technology to a ring-array solar concentrator to develop a solar power system that could work at the poles of the Moon. Or anywhere else, for that matter.

I applied Canfield joint technology to a ring-array solar concentrator to develop a solar power system that could work at the poles of the Moon. Or anywhere else, for that matter.

11,761 views

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We have a lot of plutonium we'd like to eliminate, and fission is the best way to do this. In the presence of fertile thorium, we can fission plutonium and start a sustainable thorium energy economy that will carry us for the next hundred thousand years.

We have a lot of plutonium we'd like to eliminate, and fission is the best way to do this. In the presence of fertile thorium, we can fission plutonium and start a sustainable thorium energy economy that will carry us for the next hundred thousand years.

59,763 views • 9 months ago

Imagine a small repair robot going about its duties on a giant space tether over 100 km long, spinning once every six minutes in an elliptical orbit around the Earth, designed to "catch" a payload from low Earth orbit and "throw" it to a geosynchronous transfer orbit.

Imagine a small repair robot going about its duties on a giant space tether over 100 km long, spinning once every six minutes in an elliptical orbit around the Earth, designed to "catch" a payload from low Earth orbit and "throw" it to a geosynchronous transfer orbit.

18,979 views • 8 months ago

A few months after my tether solar panel breakthrough, I applied the same idea to a problem that had bedeviled me for years. How to point solar arrays at the Sun on a spacecraft doing a passive thermal control roll?

A few months after my tether solar panel breakthrough, I applied the same idea to a problem that had bedeviled me for years. How to point solar arrays at the Sun on a spacecraft doing a passive thermal control roll?

20,437 views • 9 months ago

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