this post was submitted on 12 Feb 2026
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Showerthoughts

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A "Showerthought" is a simple term used to describe the thoughts that pop into your head while you're doing everyday things like taking a shower, driving, or just daydreaming. The most popular seem to be lighthearted clever little truths, hidden in daily life.

Here are some examples to inspire your own showerthoughts:

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What we have called “motorcycles” should actually be called “enginecycles”. Also, the engine on enginecycles is a four-cycle engine.

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[–] Michal@programming.dev 43 points 2 weeks ago (1 children)

Enginecycles? If you specifically refer to internal combustion engine (ICE) then it'd make sense to call them icecycles. It sounds weird, maybe icicles?

But seriously EU has a definition of what an ebike is, it's not just a bicycle with motor, there's max allowed power, max assistance level, and importantly it should only assist when pedalling. Anything beyond that, yes, is classified as a motorbike.

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[–] fizzle@quokk.au 37 points 2 weeks ago (16 children)

I'm a bit triggered by this, so let me apologize in advance for the incoming rant.

You might be kind of right etymologically, but bikes, e-bikes, motorcycles, and likely in the near future e-motos, are specific things defined by law. The confusion between these vehicle classes is causing harm.

An e-bike is a pedal powered bicycle with an electric motor that assists the rider while pedalling up to 25km/h. You might be able to switch modes between more assistance and less assistance but there is no throttle.

If you purchase a cheap walmart / k-mart bike, swap the rear wheel with a powered hub from alibaba and strap on a battery from temu, that's not an e-bike. They have a throttle and no limiter and in most cases can propel a 12 year old idiot at 50km/h but some times more than 70km/h. This is not an e-bike and more accurately described as an unregulated electric motorbike.

The frame isn't built for this kind of stress, and the riders often have no capacity to understand the danger they're imposing on themselves and others - zipping past kids playing and so on.

It's an emerging disaster in Australia and I imagine other places as well. It's turning the population against e-bikes when they're not the problem.

We urgently need more appropriate legislation drafted to clearly define the classes of vehicle, and we need police with the right skills and equipment to enforce those laws.

[–] Almacca@aussie.zone 9 points 2 weeks ago (2 children)

This is the correct take.

My feeling is that if it's controlled by a throttle, then it's a motorbike and it should be registered and require a driver's licence to operate, and it shouldn't be on bike paths or footpaths.

[–] fizzle@quokk.au 8 points 2 weeks ago (6 children)

Yeah that's the implication, but it's complicated.

e-scooters are controlled by a throttle, so I think there's a debate to be had as to whether that's a defining factor.

IMO the throttle is less critical than speed limiting. Anything you can pilot without a license should be restricted to 25km/h.

The problem is these limitations can easily be removed.

That's why I say it really needs proper policing. You need cops on bikes, and some kind of strategy to establish whether a bike is compliant.

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[–] Professorozone@lemmy.world 3 points 2 weeks ago

Your statement is only partially true. In Florida, where I live, yes Florida, I know . . .there are three classes of ebikes. Class 3 ebikes must have pedals but can have a throttle and can operate without pedaling. By law, it IS still an ebike. So I believe it comes down to jurisdiction.

The rest of what you said is pretty much true and it's a problem here too. I absolutely love riding my ebike. Mine has gears and is every bit a bike. For me the assist helps with hills (yes we have a few small ones here) and mostly wind. But it also serves another purpose. Making the ride either easier since I'm getting older or faster means I'm more likely to use the bike than a normal bike. I believe for these reasons I actually get MORE exercise with my ebike than my normal bike, at least until someone hits me with a car. So yeah, these guys with their over-powered "ebikes" are going to ruin it for the rest of us by getting us banned from trails and such.

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[–] MyTurtleSwimsUpsideDown@fedia.io 26 points 2 weeks ago (7 children)

Upvote for the main thought, but

  1. A gasoline engine is a type of motor. You are making a distinction without a difference. A motor is just something that produces mechanical motion. Motor. Motion. Motivate. All come from the same root as “move”
  2. An “engine” can be the whole apparatus that does the work, not merely the thing that provides the power, and could be powered by a water, beast, or even manually such as the cotton [en]gin[e]. A lot of that usage comes from pre WW2, but it survives in things like “train engine” (the vehicle that pushes or pulls a train) and “game engine” (the program architecture that manages the processing power provided by the computer to convert user interactions, game assets, etc. into something that we recognize as a game).
  3. It’s not a four-cycle engine. It is a four-stroke engine: each piston makes four strokes each complete engine cycle.
[–] baggachipz@sh.itjust.works 8 points 2 weeks ago (1 children)

It’s not a four-cycle engine. It is a four-stroke engine: each piston makes four strokes each complete engine cycle.

Akshually

“A four-stroke (also four-cycleengine

[–] redhorsejacket@lemmy.world 3 points 2 weeks ago

Multiple decades on this earth, decent schooling, undergraduate degree in history, and yet today is the day I discover why the cotton gin is called that. Wild. Thank you for sharing.

[–] Admetus@sopuli.xyz 3 points 2 weeks ago

I didn't know what to say but you nabbed it.

Also reminds me of the motor effect: electromagnetism causing motion. Perhaps that's why the name 'electric motor' became so dominant...

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[–] Professorozone@lemmy.world 14 points 2 weeks ago (3 children)

Really? Because I don't remember pedaling my Honda 750.

[–] Psythik@lemmy.world 6 points 2 weeks ago (6 children)

I don't remember pedaling my eBike, either. With a big enough motor, they're all but completely vestigal.

[–] Professorozone@lemmy.world 2 points 2 weeks ago

It's true that there are different classes of ebikes. Class 3 ebikes with enough power can be basically motorcycles disguised as bikes. Mine is a class 1 and very much a bicycle. If the distinction can be made that some ebikes do not require pedaling and are therefore motorcycles, by extension it is equally valid to say that ALL ebikes must have pedals so all ebikes are bikes. The truth is really somewhere in-between. Not sure how important that is to a shower thought though.

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[–] Rhynoplaz@lemmy.world 8 points 2 weeks ago

This is actually a really good one.

[–] Paranoidfactoid@lemmy.world 8 points 2 weeks ago (1 children)

The Honda Goldwing is a six cylinder outdoor Campervan Winnebago.

[–] redhorsejacket@lemmy.world 2 points 2 weeks ago (4 children)

Does it smell like a steak and seat 35?

[–] baggachipz@sh.itjust.works 3 points 2 weeks ago

Unexplained fires are a matter for the courts!

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[–] friend_of_satan@lemmy.world 7 points 2 weeks ago (6 children)

Isn't it the electric equivalent of a moped?

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[–] umbrella@lemmy.ml 7 points 2 weeks ago

some of the cooler enginecycles comes with two-cycle engines

[–] resipsaloquitur@lemmy.world 7 points 2 weeks ago (1 children)

Don’t tell that to e-bike fans. They’re very vocal and easily triggered.

And don’t dare suggesting helmets or licenses. They will crucify you.

[–] vala@lemmy.dbzer0.com 3 points 2 weeks ago

Ebike fan here. Can confirm. My pitchfork is already out.

[–] Fourth@mander.xyz 7 points 2 weeks ago (1 children)

Really unfortunate this classification system has happened. What you're thinking of is an electric moped, but it's all getting lumped together. Check this out.

https://youtu.be/bB6hBLmBhPA

[–] Routhinator@startrek.website 3 points 2 weeks ago (1 children)

The differentiator is max speed in Canada. Regardless of how they are built. If you can exceed a certain speed, license required.

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[–] Proprietary_Blend@lemmy.world 6 points 2 weeks ago

Upvote for the thought.

[–] autriyo@feddit.org 5 points 2 weeks ago (2 children)

There's definitely two stroke/cycle motorcycles out there. They're less popular nowadays due to emissions but have lasted quite a bit longer than 2 stroke cars or trucks have...

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[–] teft@piefed.social 4 points 2 weeks ago

Not all motos are 4 stroke. My buddy rides a two stroke KTM and that thing cooks.

[–] rc__buggy@sh.itjust.works 3 points 2 weeks ago (1 children)

Is an e-scooter a motorcycle?

[–] Almacca@aussie.zone 3 points 2 weeks ago* (last edited 2 weeks ago) (2 children)

In Australia at least, e-scooters are classed as 'personal mobility device' which is the same classification that motorised wheelchairs are in.

[–] rc__buggy@sh.itjust.works 3 points 2 weeks ago

Huh, I guess that makes sense. I don't think they fit into any category in Denver, CO. They aren't allowed on the sidewalks so that makes them a vehicle. But they really aren't a vehicle and are sort of pedestrians in the road.

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[–] Stitch0815@feddit.org 3 points 2 weeks ago
[–] Jerb322@lemmy.world 3 points 2 weeks ago

My friend said something similar to me a long time ago. I said, General Motors.....?

[–] baggachipz@sh.itjust.works 2 points 2 weeks ago

ITT: y’all be taking my random before-bed shit thought way too seriously.

[–] YiddishMcSquidish@lemmy.today 2 points 2 weeks ago

Not all the time. My engine cycle has a three cylinder 2 stroke. It's scary fast.

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