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submitted 9 months ago by matto@lemm.ee to c/showerthoughts@lemmy.world

We have cars for earth, boats for water and planes for air. Nothing for fire. Not that I want to ride on fire.

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[-] Pons_Aelius@kbin.social 58 points 9 months ago
[-] matto@lemm.ee 14 points 9 months ago
[-] guyrocket@kbin.social 4 points 9 months ago* (last edited 9 months ago)

Dang indeed. That is crazy. Kudos to those firefighters!

Any pics of the outside of these trucks?

ETA: I found some. I guess theyre called brush trucks. Pretty much a BIG truck with firefighting accessories. How do the tires not melt? https://unruhfire.com/brush-trucks/

[-] PipedLinkBot@feddit.rocks 5 points 9 months ago

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[-] NoRodent@lemmy.world 52 points 9 months ago

Aren't rockets vehicles that ride on fire (that they create themselves)?

[-] rockerface@lemm.ee 16 points 9 months ago

By that logic, anything that has an engine rides on fire

[-] Rootiest@lemm.ee 20 points 9 months ago* (last edited 9 months ago)

Ok but the return capsule kinda rides on fire when it re-enters the atmosphere

[-] intensely_human@lemm.ee 8 points 9 months ago

The fire is at the vehicle’s boundary for a rocket, making the rocket a vehicle that rides on fire.

[-] sarchar@programming.dev 7 points 9 months ago

Sooo steam engines ride on water?

[-] LennethBright@artemis.camp 6 points 9 months ago

Yes, and a hang glider rides on air.

[-] NegativeLookBehind@kbin.social 39 points 9 months ago

Atmosphere re-entry capsules

[-] deus@lemmy.world 4 points 9 months ago* (last edited 9 months ago)

And the Space Shuttle! (RIP)

[-] tacotroubles@lemmy.world 22 points 9 months ago
[-] Dasnap@lemmy.world 7 points 9 months ago

We all know those create fire, silly.

[-] Pons_Aelius@kbin.social 6 points 9 months ago

Only if you are Ray Bradbury.

[-] BradleyUffner@lemmy.world 21 points 9 months ago
[-] MrCharles@lemmy.world 3 points 9 months ago

Came her to say this. Literally riding on the hot air from a big fire.

[-] Donebrach@lemmy.world 20 points 9 months ago

We have rockets.

[-] uservoid1@lemmy.world 14 points 9 months ago* (last edited 9 months ago)

So solid, liquid, gas, and missing plasma. You just need to have a really big bang and any of the other vehicles will do

[-] CADmonkey@lemmy.world 10 points 9 months ago* (last edited 9 months ago)

I have a vehicle that is powered by fire, does that count?

[-] zorlan@aussie.zone 3 points 9 months ago

Technically you can have all the other vehicles for the remaining elements running on fire.

[-] Kolanaki@yiffit.net 2 points 9 months ago
[-] CADmonkey@lemmy.world 1 points 9 months ago

No, it's an old Suzuki Samurai. More of a box kite than a hot air balloon.

[-] Uranium3006@kbin.social 9 points 9 months ago

Hot air balloon is probably your best bet for doing this

[-] XeroxCool@lemmy.world 2 points 9 months ago

I'd say this one. It catches the product of fire and rides on it

[-] Kolanaki@yiffit.net 9 points 9 months ago* (last edited 9 months ago)

Not that I want to ride on fire.

It'd be pretty bad ass to sail a boat through liquid hot magma. Uh... assuming the boat survived, I mean. Not so bad ass to take a wooden raft.

[-] Jaytreeman@kbin.social 9 points 9 months ago

Solar sails are kind of like that

[-] spittingimage@lemmy.world 1 points 9 months ago

We do call it solar wind, though.

[-] YeetPics@mander.xyz 7 points 9 months ago

firetrucks?

[-] partial_accumen@lemmy.world 6 points 9 months ago

Earth, water, air all have density. Meaning we can create a vehicle that can be lower destiny than the (Earth, water, air) our vehicle is riding in.

Fire doesn't have density. So we can't make a vehicle lighter than fire as fire has no density to begin with.

A rocket you say? Doesn't qualify. The rocket (when in the atmosphere) is providing lots of expanding gasses which creates a difference in air pressure pushing the vehicle forward. The rocket (when in the vacuum of space) is providing lots of expanding gasses at high velocities that we throw out of one side of the rocket causing the rocket to be thrown equally and oppositely the other direction. We have lots of engine in space which done have fire at all (nitrogen cold gas thrusters come to mind).

[-] criitz@reddthat.com 3 points 9 months ago

While fire itself may not have mass or density, the materials involved in the fire (fuel and oxygen) do have density.

In the context of a rocket engine, the combustion process involves the ejection of high-speed exhaust gases, which have mass and therefore contribute to the overall density of the vehicle.

[-] partial_accumen@lemmy.world 2 points 9 months ago

We're in agreement on the physics of rocket propulsion. However, "fire" is essentially defined as a chemical oxidation reaction. The reaction itself doesn't have mass. While fuel and oxidizer undergo the oxidation reaction, it isn't the reaction itself providing the propulsion, its the mass and velocity of the combustion products.

This is why the "natural element" definition is old and out-of-date. Any discussion of "fire" as an element is a philosophical or literary exercise, not a scientific one.

[-] criitz@reddthat.com 4 points 9 months ago

I think you nailed it - fire is not analogous to earth, wind, and water (and heart), so the premise of the post is confounded.

[-] spittingimage@lemmy.world 2 points 9 months ago

I tried to imagine a vehicle for travelling on a surface of Heart, then decided I don't want to.

[-] Kolanaki@yiffit.net 1 points 9 months ago

What if the vehicle is made out of fire? 😏

[-] FarceMultiplier@lemmy.ca 6 points 9 months ago

ICE. We carry fire with us no matter where we go.

[-] snausagesinablanket@lemmy.world 4 points 9 months ago

Ghost Rider enters the room.

[-] dukethorion@lemmy.world 1 points 9 months ago

Fill a open trailer with wood and light it. Drive wherever. Dont drive too slow or it may catch up to you.

[-] Kazumara@feddit.de 1 points 9 months ago

Sounds like we need to gene splice minecraft striders into a reality.

this post was submitted on 28 Sep 2023
100 points (89.7% liked)

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