Their working method is similar to the one of mirrors, but they display a reflection. The most basic kaleidoscope is made of two mirrors and a 30-degree wedge. Holding the kaleidoscope differently will change the wedge’s position and the light will hit the mirrors under a different angle. This causes a variety of colors and […]
I recently saw a graphic posted by the National Oceanic and Atmospheric Administration. The graphic explained how rip currents work and how to escape from them. I believe that this is information that should be known by anyone, so keep on reading to find out more about rip currents and how you can escape their […]
Researchers have developed a new model explaining how we react to different sounds. The model will help understand why some sounds are unbearable to us, for example, nails on a chalkboard. One of the things that must be noted is that the brain has something like an alarm system which reacts to different noises. The […]
Making mineral water at home is easier than you think. There is nothing more refreshing than fizzy water which you’ve made just an hour ago. If you are thinking of making carbonated water yourself, then you’ll be glad to know that you can even create a clone of your favorite mineral water sold in the […]
Blood Transfusion Blood transfusion is something very common and this simple operation is performed in every hospital. Carl Landsteiner was the first scientist to discover that special antigens can be found on the surface of some antibodies in the plasma and erythrocytes.
Blood Clotting: The process of blood clotting has several stages: 1- Blood platelets are ruptured by the injury. 2- They release thromboplastin. 3- Thromboplastin turns prothrombin in thrombin. 4- Thrombin converts the liquid fibrinogen in solid fibrin fibres which create a web at the wound. 5. The blood cells caught in the web form a […]
The earth’s atmosphere is a strange and miraculous layer which is the main reason for many of the beautiful landscapes we can see from earth. We won’t be exaggerating if we say that the sky is probably one of the most beautiful things you can observe from earth without any special equipment. In most cases […]
When you were a child, you have probably heard that camels use their humps to store water. However, this isn’t entirely true. The hump is in fact a mound of fat which can weigh up to 35 kilograms. Humans and just about all types of animals store their fat in their muscle tissue and beneath […]