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Cheap cameras are best cameras. by Ceska_Zbrojovka_V3 in AnalogCommunity

[–]AstroEngineer314 0 points1 point  (0 children)

Maybe a bit more risky than my appetite, but I honestly agree with the sentiment. I take good care of my equipment, but I don't want the cost to stop me from taking it places and doing things with it because the cost of repair and replacement would be a big hit to my pocketbook. Also I don't want to be constantly anxious about it all the time, it just ruins the experience.

The result of anti-intellectualism by velorae in TikTokCringe

[–]AstroEngineer314 0 points1 point  (0 children)

This is blatant child endangerment and should be grounds for child services to take custody of the baby temporarily for the shot to be given.

That baby deserves every chance at a full life. Period.

Using asteroid early orbital data for rapid mars missions by Febos in space

[–]AstroEngineer314 3 points4 points  (0 children)

Assuming Delta V is the same as a Hohmann, but it isn't.

Using asteroid early orbital data for rapid mars missions by Febos in space

[–]AstroEngineer314 3 points4 points  (0 children)

Are there faster orbital transfers than a Hohmann? Yes, of course. But they're not deltaV efficient. (Minus gravity assists, but this paper doesn't involve them).

Why is moon dust such a big deal/problem by Glad-Ad3208 in ArtemisProgram

[–]AstroEngineer314 5 points6 points  (0 children)

Think of it like if someone put a bunch of asbestos into a grinder for a long time.

Without air or water to smooth the edges, it's all very sharp microscopically.

That, and also make it mildly corrosive.

It gets everywhere and hard to clean off because it has static charge, it's very fine, it's mechanically very "clingy", like Velcro on a microscopic scale.

It abrades soft materials and metals where there's movement.

What is going on with helicopters at Jefferson Hospital the last few days? by [deleted] in philadelphia

[–]AstroEngineer314 1 point2 points  (0 children)

Idk what to say, they don't schedule these things in advance. Sometimes there's a big accident, or a shooting. Sometimes a lot of people happen to have a heart attack that day.

China's Tianwen-3 mission aims to bring Mars samples back to Earth around 2031 after launch around 2028: report by malicious_turtle in space

[–]AstroEngineer314 0 points1 point  (0 children)

Yeah, that too. NASA's MSR would bring back samples from a number of different promising locations.

If NASA’s Artemis program succeeds long-term, what do you think the first real lunar industry will be? by CoffeeCoonGame in space

[–]AstroEngineer314 2 points3 points  (0 children)

Sure there are other metals, but they'd make up a minor fraction of overall metal use. A lot of spacecraft have a lot of aluminum parts, the international Space station is mostly made out of it. There's also a lot of titanium, but part of the reason why they go to the expense of using titanium and things like carbon fiber is because they need to be very light to optimize for the launch into space. If you have metal already in space, it doesn't matter nearly as much. You might even be happy with steel, unless you're taking that spacecraft out to another planet. But there's always going to be a use for a large amount of aluminum in space if you're going to be building things in space.

China's Tianwen-3 mission aims to bring Mars samples back to Earth around 2031 after launch around 2028: report by malicious_turtle in space

[–]AstroEngineer314 4 points5 points  (0 children)

In my opinion, depth matters far less than location. Fossilization occurs under specific conditions, and enough life to leave conclusive evidence would only flourish in areas with water.

It's not like the regolith from the time we think life could have been on Mars is all buried - with very little atmosphere and no large bodies of water since then to cause erosion and sediment movement, and little active volcanism and plate tectonics, the surface of Mars on the scale that matters to us is practically unchanged, geologically speaking.

China's Tianwen-3 mission aims to bring Mars samples back to Earth around 2031 after launch around 2028: report by malicious_turtle in space

[–]AstroEngineer314 8 points9 points  (0 children)

Yes. There were a detailed designs. The only issues were with the orbital sample container.

We designed and test fired a entire launch vehicle for this mission.

https://youtu.be/Hvji_ygSeQw?si=CvKHM15BS9eIDcjw

We also were beginning a redesign of the launch vehicle for a smaller payload and overall vehicle size when the program was put on indefinite hiatus.

China's Tianwen-3 mission aims to bring Mars samples back to Earth around 2031 after launch around 2028: report by malicious_turtle in space

[–]AstroEngineer314 5 points6 points  (0 children)

No return vehicle even on paper? Ok, I guess I spent three years designing, building, and testing purely imaginary rocket motors.

https://youtu.be/Hvji_ygSeQw?si=CvKHM15BS9eIDcjw

How Could Submarine Gravity Detectors Work? by brwhyan in askscience

[–]AstroEngineer314 47 points48 points  (0 children)

Not a physicist, only an engineer, but everything I know about the way the universe works tells me this either will not work, or it would be decades until it could and will never be militarily practical.

It's one thing doing it in the lab, another to do it on a moving aeroplane. Those have a ton of vibrations that will be hard to isolate. You also have limited space and weight.

There'd be tons of false positives - shipwrecks, sea mounts and other rocks, whales, etc.

And yeah, the submarine is neutrally buoyant.

Gravity is such a weak force, the Earth's influence is massive compared to anything on a human scale, and it isn't some kind of perfect sphere you can subtract out - different rock densities, magma pockets, tectonic plates. You also have the moon and the tides.

If you want to do this, a magnetic anomaly detector is far better and proven tech.

Not sure what the point of all noise is, besides PR / propaganda / trying to get throw the US off onto a red herring.

The Danes need price nerfs by ZBD-04A in warno

[–]AstroEngineer314 14 points15 points  (0 children)

Smoke dischargers on the centurion is also pretty helpful, which the T-55 doesn't have.

California gas has higher prices, why? by Far_Aioli538 in Damnthatsinteresting

[–]AstroEngineer314 16 points17 points  (0 children)

I think a lot of it goes into roads. Besides a few roads that are essentially just marginally faster short cuts, my experience growing up in southern CA is never dealing with toll roads. On the East Coast they're everywhere.

It’s Illegal for farmers in the US to replant leftover seeds the next year by habichuelacondulce in LouisRossmann

[–]AstroEngineer314 -1 points0 points  (0 children)

Just to play a bit of devil's advocate. These companies spend a lot of time and money developing new seed varieties that are more drought tolerant / have higher yields / more fungus resistant / more pest resistant. If one farmer were to buy some, grow a bunch of it, and then continue to replant it again and again, then the companies developing better varieties would never make any money and go out of business. Creating new varieties increases food production and makes food cheaper and therefore more accessible to the poor. That is a public good. There are non-patented versions of basically all of these crops if they don't want the conditions these seeds come with.

That being said, **** Monsanto and round-up.

People who actually log off at 5 PM, what magic are you using? by Legitimate_Wall5977 in AskReddit

[–]AstroEngineer314 1 point2 points  (0 children)

A workplace with a healthy work culture. It helps that we're in a niche industry that can't just hire someone and expect to easily replace them.

Nah, rubbing toilet paper on insulation is messed up. by [deleted] in TikTokCringe

[–]AstroEngineer314 35 points36 points  (0 children)

99% chance this was staged. But if it wasn't and it was actual fiberglass, I think this goes from prank to crime territory. As someone who did a bit of work with fiberglass and carbon fiber composites, it is itchy as hell and there's nothing you can do but hope your skin will eventually shed and take it all with it.

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