Who and when invented electricity
Who and when invented electricity
It is hard to imagine life without electricity today, which drives most of the devices we need, illuminates apartments, street, and …
What is the speed of sound?
What is the speed of sound?
The speed of sound is one of the speeds, which we often hear about even if we are not related to aviation in any way, w …
What is the speed of light
What is the speed of light
We often talk about the speed of light, so it is not a foreign term for anyone. We even use it in everyday language, if we want …
Structural unemployment
Structural unemployment
Unemployment is an economic phenomenon like this, that a certain number of people who are able to work and seek it, does not find employment. The unemployment rate is this …
Ageizm
Ageizm
Ageism is a concept, which harbors discrimination on the basis of a person's age. Najczęściej z ateizmem możemy się spotkać jeśli chodzi o poszukiwania …
Arras
Arras
The tapestry is a decorative fabric, which was woven on a special loom. An important element of the tapestry is the addition made of single and metal threads, które były odpowiednio …
bulb
bulb
The light bulb is one of the most important inventions of the 19th century. Thanks to him, it was possible to illuminate both residential houses, and shops, or production halls. Wydłużyło …
Mobile phone
Mobile phone
Dziś nie możemy sobie wyobrazić sobie codzienności bez telefonu komórkowego. Pomaga on jak żadne inne urządzenie utrzymać kontakt z innymi niezależnie od miejsca, …
What are school duties
What are school duties
Student's school duties
The school year has just begun. There are many such students, who like to rebel and do anything, aby tylko …
How to translate dreams
How to translate dreams
Translation of dreams
There are people like that, who believe in the magical meaning of dreams, and there are also those, who completely reject this possibility. Jakby nie …