NOUVELLE RELEASEDécouvrez la nouvelle version de Speakdating
Nouvelle version disponible
Découvrir

Technologie et science

What your toaster can teach you about the Universe

There are things you can learn in a kitchen that can shed light on some of the most fundamental characteristics of the Universe.

jeudi 8 sept. Il y a 5 mois
What your toaster can teach you about the Universe
Difficile
+25
5 min

Take a look inside your toaster. Toaster elements glow orange, always. No one has a toaster that glows blue. The colour can’t be changed – it’s set by a very specific law of physics that applies to everything in the Universe.

Vocabulary

• Cosmologists (noun)
Someone who studies the nature and origin of the universe.
-The cosmologist discussed the big bang enthusiastically.

• Messy (adjective)
In a disorderly state; causing mess or confusion; chaotic; disorderly.
-After the party, their apartment was messy.

• Toaster (noun)
A device for toasting bread, English muffins, crumpets, etc.
-You can learn a lot about the universe from your toaster.

• White-hot (adjective)Hot enough to glow with a bright white light.
-The glow of the furnace was white hot.

• Radiation (noun)
The shooting forth of anything from a point or surface, like the diverging rays of light; as, the radiation of heat.
-The Sun's radiation heats up the planet.

• Superpower (noun)
An exceptional or extraordinary power or ability.
-Thor's superpowers allow him to control lightning.

• Microwaves (noun)
An electromagnetic wave.
-Microwaves emitted from other galaxies are detectable on Earth.

• Wavelength (noun)
The length of a single cycle of a wave, as measured by the distance between one peak or trough of a wave and the next.
-Humans can only see a limited wavelength of light.

• Coldest
The superlative state of cold, the most cold something can be.
-The Antarctic is the coldest place on Earth.

• Phenomenally (adverb)
In a manner that is extraordinary or amazing.
-She ran phenomenally well.

• Warmth (noun)
A moderate degree of heat; the sensation of being warm.
- Warmth radiated from his smile.

Tout ça et bien plus,
5 minutes par jour !

Speakdating c’est dores-et-déjà plus de 1 000 activités et leçons,
plus de 40 000 exercices, là tout prêts, dans votre poche.