B1 中級 English 5:26 664 単語 Animation

The physics behind Einstein’s most famous equation - Lindsay DeMarchi and Fabio Pacucci

TED-Ed · 356,842 回視聴 · Added 3時間前

Learning Stats

B1

CEFRレベル

664

Total Words

307

Unique Words

5/10

難易度

Vocabulary Diversity 46%

字幕 (74 segments)

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00:06

Ever since Albert Einstein published his Special Theory of Relativity in 1905,

00:12

one equation has been the bane of humans hoping to explore the stars:

00:17

E=mc².

00:19

In addition to informing our understanding of gravity, space, and time,

00:24

this formula implies that traveling at or beyond light speed is impossible.

00:30

And given how expansive the universe is,

00:33

this speed limit severely restricts our ability to zip around the cosmos.

00:39

But while most physics textbooks describe this speed limit,

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Key Vocabulary (17)

you A1 pronoun

Used to refer to the person or people that the speaker is addressing. It is the second-person pronoun used for both singular and plural subjects and objects.

mean A1 verb

To have a specific sense or significance, especially when explaining a word or sign. It can also describe a person's intention or the importance of something to someone.

move A1 verb

To change your physical position or to go from one place to another. It can also mean to change the place where you live or to shift an object to a different spot.

equation C1 noun

A mathematical statement asserting the equality of two expressions, typically involving variables. Metaphorically, it refers to a complex situation where multiple factors must be balanced or considered together to achieve a result.

light A1 adjective

Describes a space that has a lot of natural brightness or many windows. It also refers to colors that are pale or close to white rather than dark.

"This is very light."

space
since
particles
travel
speed
moving
mass
einstein
e=mc²
traveling
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