Din kurv er tom

Køb

Mængde: 0

Total: 0,00

0

Where does gold come from?

Where does gold come from?

Gold is a rare metal, which is often challenging and dangerous to extract. But where does it come from?

02:44

Fysik

Nøgleord

physical, particle physics, nuclear physics, strong interaction, nucleus, nuclear fusion, nuclear reaction, fusion, gold, astronomy, star, precious metal, mining, supernova, neutron star, chemical element, gold ore, rare metal, thermonuclear reaction, red giant, red supergiant, stars, Sun, structure of the Sun, heavy element, iron

Relaterede ekstramaterialer

Relaterede ekstramaterialer

To-takts motor

En to-taktsmotor er en type forbrændingsmotor med en cyklus på kun to takter.

pVT diagram for ideelle gasser

Forholdet mellem tryk, volumen og temperatur for ideelle gasser er beskrevet i gasloven.

An experiment with crushing results

How can a tin can be crushed without manual force? All you need is some water and heat.

Firtakts forbrændingsmotor

Denne animation demonstrerer den type motor, der oftest anvendes i biler.

Radial motor

Radialmotorer anvendes primært i fly og helikoptere.

Archimedes’ principle with gases

Is there a difference between the weight of a plastic bottle filled with air and the weight of a...

Dieselmotor

Den tyske ingeniør Rudolf Diesel patenterede dieselmotoren i 1893.

Termometre

Der er forskellige typer instrumenter til måling af temperatur.

Added to your cart.