rockets | M Thomas Apple Author Page

Let’s make rocket fuel with E. Coli!

April 12, 2022
MThomas

In short, the algae will use sunlight to transform CO2 into sugars that are then enhanced by bio-engineered E.coli into 2,3-butanediol. Interestingly, 2,3-BDO is not entirely conceptual as it currently exists and is mainly used to produce rubber components. It has just never been thought of as fuel before.
https://www.universal-sci.com/article/producing-rocket-fuel-on-mars-using-microbes?utm_campaign=Universal-Sci%20Weekly&utm_medium=email&utm_source=Revue%20newsletter

Neat. So all the astronauts have to do is bring, uh, how much algae we talking here?

The article doesn’t say, but it does mention a by-product of the process: Oxygen!

That would seem rather helpful. Mars or bust?

Magnetic reconnection plasma thruster: Not too fast, not too slow, juuuust right

February 4, 2021
MThomas

A crewed mission to Mars may be more practical thanks to a new rocket concept developed by Fatima Ebrahimi, a physicist at the US Department of Energy’s (DOE) Princeton Plasma Physics Laboratory (PPPL), that uses magnetic fields to generate thrust.
https://newatlas.com/space/magnetic-reconnection-rocket-thruster-concept-spaceflight-mars/

Looks good so far…

…although it’s just a computer simulation right now and the magnetic thruster model hasn’t even been built yet.

Ah, well, just repurpose an existing ion thruster, right?

Hmm. I’m not a rocket scientist, but.. 🚀

Where are your nuclear wessels?

August 11, 2020
MThomas

nuclearrockets

Astronauts on a trip to Mars would be exposed to very high levels of radiation which can cause serious long-term health problems such as cancer and sterility. Radiation shielding can help, but it is extremely heavy, and the longer the mission, the more shielding is needed. A better way to reduce radiation exposure is to simply get where you are going quicker.

Hmm. So putting them in a ship with a giant nuclear fission reactor is safer?

I think somebody may want to come up with a backup plan…

https://www.space.com/nuclear-powered-rockets-to-explore-solar-system.html

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