Name: スローモーションでの周波数の可視化 (Visualising Frequencies in Slow Mo)
Uploaded: 2021-01-14T09:47:37.000Z
Duration: 9 min 32 s
Description: VoiceTubeの動画で発音を聞きながら英語表現を覚えよう！学べる英語：

- ( music playing )  - Dan: We're here for  the fun silly wave.

- ( grunts ) - Not really sure what   I'm looking at.

It's this incredibly scientific and precise

- then it activates-- - Yes, the salt in there

Did it hurt taking the spike wave in  the mouth?

- ( music playing )  - it sort of tunnels

that before, it was  quite an honor really

to be the first  smashed in the face with it.

if we learned more about waves in general,

but also learn a little bit more about the facility.

Dr. Thomas Davey, you're the Senior Experimental Officer here.

Yes, so this is a facility which essentially is

And we we use that for  lots of applications,

Basically anything which  we put in the sea.

Okay, so if you make a small wave about this big in here,

That's what you're imitating essentially in the ocean.

- Dr. Davey:  Exactly.  - Dan: So how long did it take  to fill that thing?

- Three weeks? - ...we don't like taking   the water out of it.

It's two and a half thousand  tons of water in this tank.

And what was the choice behind making the tank

- I imagine this was cheap,   then. - ( laughs )

And actually the whole  project's probably around

Might be one of the more expensive things

- we've messed around with... - ( laughs ) Yeah.

Well, this is the only large circular wave

So what we have is  168 wave makers around  the edge.

So each individual paddle on its own can generate a wave.

you can imagine, you can  actually then generate  from any direction,

so you can have this one wave  going in one direction,

you can have thousands of waves  going from all directions.

It's a bit like playing a musical instrument.

You just combine all these  notes together

to create a very complex sea  in the tank.

And then on top of that you then put tidal currents.

So you make currents  as well underneath...

Dr. Davey:  Yes, yes. It works a bit  like a conveyer belt.

The current comes from underneath the tank,

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スローモーションでの周波数の可視化 (Visualising Frequencies in Slow Mo)

weird

essentially

imitate

pattern