Is it possible to model a ball lightning in a laboratory? The answer lies in the plasma ball.
Can a convex lens create an image on a canvas? This is the question to be answered in this video.
Многогодишно влаголюбиво растение. Среща се в мочурливите части на ливадите.
Хищните растения допълват хранителните си вещества, като улавят и храносмилат дребни животни.
Този защитен растителен вид често се среща в планински ливади и букови гори.
Среща се в по-студените райони на Северното полукълбо. Високо широколистно дърво с бяла кора на черни петна.
Сферичните му цветове, образуващи коримби, са много ефектни. Картопът е популярно декоративно растение, което вирее при влажни условия.
Honey locust is a thorny tree species that can even adapt to nutrient-poor soils. Legend has it that Christ's crown of thorns was made from this tree.
This species is an evergreen conifer with many uses. Native American Indians called it 'tree of life'. Today it is a popular ornamental plant.
Perhaps no flower is more popular as a gift. In Bulgaria, roses are grown on an industrial scale as a perfume ingredient.
Изследване на чатици от картофено нишесте под светлинен микроскоп в присъствието на Луголов разтвор.
Thalloid plants do not have real organs. Let’s take a closer look at their structure.
Turning safety matches into matches that can be ignited by striking them against any surface.
In this experiment, we create a toy car that can be propelled by air or water and air.
Let's measure the capacity of the lungs using nothing but a plastic bottle, a rubber tube and a plastic bowl.
In this experiment, you will learn how to place a boiled egg into a flask with a narrower neck.
How can you drop a matchbox so that it always falls on its smallest side?
Collisions deform real cars. But why don’t they deform toy cars?
Let's see what happens when you fix two burning candles and then two bottles of water to a seesaw.
This experiment demonstrates the laws of physics behind the roly-poly.
This experiment demonstrates the laws of physics behind the wooden woodpecker.
Let’s see how you can build a gun out of a plastic tube and some basic kitchen items.