The main advantage, power to weight...this one is HUGE for performance vehicles. Also in it's favor; reduced vibration (over piston engines), only two moving parts, no valve train, and the fact that it's 'exotic'.

EDIT: Cons: terrible mileage, bad emissions, loud (it's can't handle much back pressure, so you can't put on much of a muffler, and the unburnt fuel 'pops' loudly as it leaves the exhaust), hard to replace Teflon seals requiring a full teardown to replace, hard to find a mechanic that can work on them (especially if you need machining done), hard to find period (they're quite 'rare' compared to piston engines)....I'm sure there's more I'm forgetting or don't know.

I've been on that boat. Was a nice boat. Watched Navy Seals drop from helis into thew water for practice. Nice trip.

And I know they could be testing me
The data might be wrong
A preplanned concocted recipe
And played up all along
But at least my graphs are beautiful
With sigma 5.1
This I know
This I know

They told me don't worry about it
Analyze the chirp and
No more
They told me be careful
And doubt it
But I've seen a merger
Of black hole-ole-ole-oles!

LIGO feels when space is rippling through
With a wave of
Gravitation

LIGO feels when space is rippling due
To a tensor
Perturbation

Vacuum sealed interferometer
An L 5-mile long
Split a laser, bounce 300 times
Compare the distance gone
One built in Louisiana and one more in Washington
That's LIGO
Yeah LIGO

A Billion lightyear journey
To cover
Then it hit the Fabry-Perot
Lengthening one leg then
The other
Making fringes dance on
The dio- o- o- ode!

LIGO feels when space is rippling through
With a wave of
Gravitation

LIGO feels when space is rippling due
To a tensor
Perturbation

LIGO feels that space is rippling through
From an ancient
Amalgamation

LIGO feels that space because it's crew
Gave it seismic
Isolation

This event's power is
Enormous
Fifty universes
Of suns
We had indirect clues
Before this
All you GR haters
You were wrong -ong -ong

LIGO feels when space is rippling through
With a wave of
Gravitation

LIGO feels when space is rippling due
To a tensor
Perturbation

LIGO feels that space is rippling through
Can you feel the
Excitation?

LIGO's view of space is rippling through
Our collective
Imagination

i was stationed at NaS jax for a few months for S.A.R training and i got to witness some of the training seals have to endure,and also heard first hand from some of the seal members (who all have to be S.A.R qualified).

it makes boot camp look like a romp in disneyland.

Yeah, like the SEAL said, athletes don't need to be physically prepared for life and death situations 24-hours a day. I mean, that SEAL training ramps up to "hell week" where they basically train 20-hours a day to simulate an extended combat engagement. No athlete needs that level of mental/physical endurance excluding maybe ironman race participants and even then that kind of training is likely overkill.

Not just cardiac fitness though (and of course, the mental toughness requirement).

But one of the things is that later in BUDS/SEALS training, the boat teams have to lift a boat up over their heads (and logs too) and carry them on sand. This is a non-trivial requirement for upper body strength...

So: I don't know. Maybe, just maybe, decathletes?

I've always been under the impression this is way more a psychological thing than being fit. I'm guessing there are loads of people fit enough that don't make it as a seal.
Although i guess that doesn't answer your question.

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BWAAAHAAHAAAHAAHAAA!!!!!!!
I just love all the safety gear, food, and water safely hidden and completely inaccessible under the sturdy (to support a dropping mattress with occupants, it must be thick and unbreakable) dropping floor plate and your mattress. You can die in peace in your sealed, impenetrable metallic coffin knowing your salvation is unreachable a mere 6 inches below you.
Amazing level of *fail

Holy minefield, Batman. And did you know when you eat a Ritz cracker you pay money to the people who support the people who support the people that club baby seals? How do you sleep?

Dolphins will come over to boats just to play with them, I've seen it quite a bit when sailing in waters with dolphins. Seals less so, but they still have that mammalian curiosity. I think the whale was just dumb luck though! What a fantastic couple of minutes

I think everyone agrees that searing/browning creates more flavour - but it is incorrect to use to phrase 'sealing in the juices'.
I like my steak blue which means high heat on the outside for just a few seconds for a crust and then only just warm i the middle.
I've never head sous vide steak but i'd be interested to compare the flavour

There's that, too, and that's an elegant solution to the under-inflating problem. But if you look at the initial small bag he inflates (at ~0:46) he basically blows in it and then the end somehow seals itself and he holds it while it stays fully puffed up. There's some type of one-way valve he's created.

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That ain't a seal, no lion. It's a sea lion.