A radiometer is a scientific instrument that allows the measurement of electromagnetic radiation intensity. The Crookes radiometer, or light mill, is a special type of radiometer that spins when exposed to light. The Crookes radiometer consists of a rotor with vanes inside a partially vacuumed glass bulb. It is solar-powered […]
What happens when light goes through a prism? This is a great experiment demonstrating optical phenomenons like light dispersion, as well as the refraction of light through prism. High-quality glass prisms are not only great for teaching physics. They can also used for prism photography! Let’s now see how to […]
Microscopes are amazing because they allow us to see things invisible to the eyes! Let’s see how to use a microscope and how does it work. Since their invention in the 17th century, they allowed countless biological observations and have led to major scientific discoveries. Among other things, microscopes unveiled […]
What is a camera obscura and how does it work? Camera obscura is an optical effect when the light penetrates through a pinhole and is reflected on the opposite surface or wall. The phenomenon by which a pinhole image is created can easily be explained by science and physics. Indeed, […]
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