Name: TED-ED】反物質はどうなったのか？- ロルフ・ランドゥア (【TED-Ed】What happened to antimatter? - Rolf Landua)
Uploaded: 2021-01-14T04:42:24.000Z
Duration: 5 min 17 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：

Is it possible to create something out of nothing?

上級受動態

Or, more precisely, can energy be made into matter?

And there's something pretty mysterious about antimatter:

there's way less of it out there than there should be.

Let's start with the most famous physics formula ever:

It basically says that mass is concentrated energy,

like two currencies with a huge exchange rate.

But how do I actually transform energy into matter?

we see that these particles always come in pairs,

That's because particles always have a counterpart,

but it's the daily life of particle accelerators.

It has a very small mass and negative electric charge.

both particles are identical and perfectly stable.

And the same is true for their heavy cousins,

would look, feel, and smell just like our world.

Now imagine that a marble and an antimarble

about harnessing the energy stored in antimatter,

for example, to fuel spaceships like Star Trek.

After all, the energy content of antimatter

is a billion times higher than conventional fuel.

The energy of one gram of antimatter would be enough

for driving a car 1,000 times around the Earth,

or to bring the space shuttle into orbit.

So why don't we use antimatter for energy production?

Well, antimatter isn't just sitting around,

But, what if there was some antimatter in outer space

A few decades ago, many scientists believed

that there is no significant amount of antimatter

which is weird because, like we said before,

a huge amount of energy was transformed into mass,

producing an enormous amount of radiation

of the original amount of matter stuck around

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TED-ED】反物質はどうなったのか？- ロルフ・ランドゥア (【TED-Ed】What happened to antimatter? - Rolf Landua)

matter

amount

equivalent

exist