Prática de Shadowing: How to Destroy a Black Hole - Aprenda a falar inglês com vídeo
Escolha um modo de prática
Cada modo abre uma sala de prática em tela cheia.
31 frases
Se as frases estiverem muito curtas ou longas, clique em Edit para ajustá-las.
1
There's a big dirty secret about black holes.
2
Contrary to widespread belief, the singularity of a black hole is not really at its center.
3
No, it's in the future of whatever crosses the horizon.
4
Black holes warp the universe so drastically that at the event horizon, space and time switch their roles.
5
Once you cross it, falling towards the center means going towards the future.
6
That's why you can't escape.
7
Stopping your fall and turning back would be just as impossible as stopping time and traveling to the past.
8
So the singularity is actually in your future, not in front of you.
9
And just like you can't see your own future, you won't see the singularity until you hit it.
10
But you also can't hit something that's in your future, only sort of experience it, like you'll experience your next birthday when it happens.
11
Singularities that are in the future are not a problem because we can't see them or interact with them.
12
But a naked singularity would be in front of us for all of us to see.
13
What would we see?
14
Well, the whole point is that it's impossible to know.
15
A singularity is a region of infinite gravity, and gravity is the bending of space-time.
16
At a singularity, the bending is so radical that the fabric of space-time is literally broken.
17
Space and time don't exist anymore.
18
This means that you can't predict anything, since predicting means making a forecast about where and when something will happen.
19
But where and when have lost their meaning.
20
So we have an unpredictable thing with infinite gravity and therefore infinite energy.
21
This means that anything could come out of it for no reason, from a pile of bananas to lost socks or a solar system.
22
Predictability, causality and physics as we know it would break down.
23
We think that singularities should exist in nature because we can prove
24
that under very general conditions gravitational collapse leads to the formation of singularities.
25
However, scientists think that nature forbids the formation of naked singularities.
26
Something enforces the creation of an event horizon around them to prevent their insanity from infecting the rest of the universe.
27
Without event horizons, physics may not make sense at all.
28
So although black holes have been portrayed as the ultimate monsters of the universe, they may actually be the heroes that keep us safe from the madness of singularities.
29
So if we do destroy the horizon, we might destroy the fundamental rules of the universe.
30
You know what?
31
Let's not do that.
Baixar aplicativo
Tudo o que você precisa para falar fluentemente
Pronúncia com IANota em cada frase
Prática de IPADomine cada som
VocabulárioMonte seu banco de palavras
Jogo de vocabulárioAprenda brincando
📺 Mesmo canal
B227
Your Skeleton Is Electric
Daily ConversationUniversity StudentsWorking Adults
C1115
Could Humans Evolve Flight?
Daily ConversationUniversity StudentsWorking Adults
B2133
Can Earth Run Out of Water?
Daily ConversationUniversity StudentsWorking Adults
B233
Your Brain Peaked at Birth
Daily ConversationUniversity StudentsWorking Adults
C135
Why Ebola Keeps Coming Back
Daily ConversationUniversity StudentsWorking Adults
B27
3 Reasons Why Nuclear Energy Is Terrible! 2/3
Daily ConversationUniversity StudentsWorking Adults
C19
Would You Upload Your Mind?
Daily ConversationUniversity StudentsWorking Adults
B2555
What If You Never Slept?
Daily ConversationUniversity StudentsWorking Adults
B264
What the Flu Does to Your Body
Daily ConversationUniversity StudentsWorking Adults
C11
The Rise of the Machines – Why Automation is Different this Time
Daily ConversationUniversity StudentsWorking Adults
B21
Your Brain on Magic Mushrooms
Daily ConversationWorking Adults
B21
The Most Complex Language in the World
Daily ConversationUniversity StudentsWorking Adults
B25
Let’s Steal a New Moon
Daily ConversationUniversity StudentsWorking Adults
B2759
How Stress Changes Your Brain
Daily ConversationUniversity StudentsWorking Adults
B23
What Happens AFTER Nuclear War?
Daily ConversationWorking Adults
B21
3 Reasons Why Nuclear Energy Is Awesome! 3/3
Daily ConversationWorking Adults
B252
Can We Stop the Extinction?
Daily ConversationUniversity StudentsWorking Adults
B26
YOU Own the Moon. And Mars. And Venus.
Daily ConversationUniversity StudentsWorking Adults
B2209
The True Cost of War
Daily ConversationWorking Adults
B23
What Is Life? Is Death Real?
Daily ConversationUniversity StudentsWorking Adults
✨ Vídeo recomendado
C16
74 frases
Black Holes Explained – From Birth to Death
IELTS PrepTOEFL PrepUniversity Students
C175
66 frases
What science can’t answer, according to physicist Jim Al-Khalili | Big Think
Daily ConversationUniversity StudentsWorking Adults
C13
22 frases
How The Universe Could Destroy Life On Earth
IELTS PrepTOEFL PrepUniversity Students
C16
73 frases
Superfluid Dark Matter
Daily ConversationUniversity StudentsWorking Adults
C14
76 frases
The Limitless AI Lie. The Bubble Is Slowly BURSTING.
Business EnglishDaily ConversationUniversity Students
C13
234 frases
The Philosophy of Rick Sanchez
Daily ConversationUniversity StudentsWorking Adults
B21
208 frases
What If a Needle Hit The Earth At The Speed Of Light?
Daily ConversationUniversity StudentsWorking Adults
C11
306 frases
Why Nihilism is Taking Over Modern Society
Daily ConversationUniversity StudentsWorking Adults
C110
7 frases
How a slinky falls in slow motion #shorts
University StudentsWorking Adults
B23
66 frases
5 "Impossible" Things That Can Happen On Other Planets
Daily ConversationUniversity StudentsWorking Adults
C13
80 frases
FINALLY: A Proof that Particles Take All Paths At Once?
Daily ConversationUniversity StudentsWorking Adults
Vocabulário e dicas de fala para esta lição
Esta aula de conversação de nível C1 usa o vídeo “How to Destroy a Black Hole”. As palavras que mais se repetem: singularity, singularities, horizon, universe, hole. Este vídeo tem 31 frases e 427 palavras para praticar shadowing. A fala dura 2:26. O falante fala em ritmo natural, cerca de 175 palavras por minuto, próximo de uma conversa do dia a dia. 83% das palavras estão entre as 3.000 mais comuns do inglês; vale a pena estudar o restante antes de começar.
Vocabulário principal deste vídeo
As 15 palavras mais avançadas do vídeo, com pronúncia e significado:
| Palavra | Pronúncia | Significado |
|---|---|---|
| singularity substantivo | /ˌsɪŋɡjəˈlæɹətɪ/ | singularidade |
| horizon substantivo | /həˈɹaɪ.zən/ | horizonte |
| predict verbo | /pɹɪˈdɪkt/ | prever |
| causality substantivo | /kɔˈzæl.ɪ.tɪ/ | causalidade |
| gravitational adjetivo | /ˌɡɹævɪˈteɪʃənəl/ | gravitacional |
| infect verbo | /ɪnˈfɛkt/ | infectar, contagiar |
| predictability substantivo | /pɹəˌdɪktəˈbɪlɪti/ | previsibilidade |
| sock substantivo | /sɑk/ | meia |
| warp substantivo | /ˈwɔːp/ | empenamento |
| portray verbo | /poɹˈtɹeɪ̯/ | retratar |
| forbid verbo | /fɚˈbɪd/ | proibir, negar |
| unpredictable adjetivo | imprevisível | |
| insanity substantivo | /ɪnˈsænɪti/ | insanidade, loucura |
| enforce verbo | /ɪnˈfoɹs/ | reforçar |
| madness substantivo | /ˈmæd.nəs/ | loucura, insanidade |
Pronúncia para ficar de olho
O falante usa 8 contrações e formas reduzidas, como can't, don't, won't. Diga-as na forma curta, do jeito que você ouve.
- Palavras longas — acerte a sílaba tônica: singularity /ˌsɪŋɡjəˈlæɹətɪ/, causality /kɔˈzæl.ɪ.tɪ/, gravitational /ˌɡɹævɪˈteɪʃənəl/, predictability /pɹəˌdɪktəˈbɪlɪti/, insanity /ɪnˈsænɪti/
Sons difíceis para falantes de português:
- Consoante final — sem acrescentar um “i” depois: predict /pɹɪˈdɪkt/, infect /ɪnˈfɛkt/, sock /sɑk/, warp /ˈwɔːp/, forbid /fɚˈbɪd/
Como praticar com este vídeo
- Ouça o vídeo inteiro uma vez sem falar e anote as palavras que você não conhece.
- Comece na velocidade 0,75×, faça shadowing frase por frase e volte à velocidade normal quando ficar fácil.
- Grave a sua voz e compare com o original, prestando atenção a palavras como singularity, horizon, predict.
O que é a Técnica de Shadowing?
Shadowing é uma técnica de aprendizado de idiomas com base científica, originalmente desenvolvida para o treinamento de intérpretes profissionais. O método é simples, mas poderoso: você ouve áudio em inglês nativo e repete imediatamente em voz alta — como uma sombra seguindo o falante com 1-2 segundos de atraso. Pesquisas mostram melhora significativa na precisão da pronúncia, entonação, ritmo, sons conectados, compreensão auditiva e fluência na fala.