From independently moving eyes to a rapidly moving tongue, chameleons have another very fascinating ability: They are able to change thier colour. But what have nanocrystals to do with a chameleons color?

How can you find the greatest common divisor of two integers by using an algorithm?  The Euclidean Algorithm is a method for finding the greatest common divisor (gcd) of two positive integers, a and

What force determines the spin of a cyclone? This question cannot be answered correctly, without referring to the "Coriolis force", mentioned by and named after Gaspard-Gustave de Coriolis (1792-1843). It

In der Kombinatorik wird häufig der sogenannte Binomialkoeffizient verwendet. Meistens geschieht das, in Kombination mit der Binomialverteilung (siehe vorherige Posts). Er gibt Auskunft darüber, auf wie

Grundlagen der Zahlenarten Grob Zusammengefasst: Zuerst kommen die Natürlichen Zahlen zu denen, je nach Definitionsart, auch die Null dazu gehört. Zu ihnen gehören die Zahlen 1,2,3,4 usw, mit denen

Hi everyone :) Carl Friedrich Gauss (1777-1855), also called "the foremost of mathematicians", was once asked to add up the first 100 integers as a punishment during his elementary school time. Wolfgang

Hi everyone :) Product, Price, Place, Promotion - these 4 words refer to a set of actions/tactics a company uses to promote their service or good at the right time at the right place for the best price,

Today I want use integration to calculate the volume of a simple glass bowl: Disk method The concept is similar to the normal integration to calculate the area under a function. I use two functions, the

Instead of knowing the probability of a certain event, like we know it from a Bernoulli process,a statistical hypothesis testing focuses on using a sample to test a hypothesis about the probability

In the 19th century, Charles Darwin published his theory of biological evolution in "On the origin of species". According to his research, all species of organisms live under the priniciple of natural

The derivative of a function f at the point x equals the slope of the graph of the function f in this point and is mostly declared with f'(x).  To calculate the slope of the function's graph, we use

European robins were one of the first kind of birds which were tested if they could sense the geomagnetic field, using it as a compass. Putting them into an isolated cage, the birds followed a synthetically

In contrast to the binomial distribution where the probabilities for each outcome were fixed during the whole experiment, hypergeometric distribution describes the case in which the probabilities for a

Binomial distribution tells us about how often a certain outcome which is either true (p) or wrong (p-1) will occur in "n" times of independently repeated experiments. A single success/failure experiment

In 2010 Geim and Novoselov received the Nobel Price "for groundbreaking experiments regarding the two-dimensional material graphene." After this event, a large amount of research was done to isolate other

Hi everyone :) Potential energy can be statically stored in an electric field by using a capacitor which is a passive two-terminal electrical component. The capacitance is a measure of how much electrical

Hi everyone :) If we think about the second thermodynamics law, we know a cup of hot tea will heat up the air around, while it's own temperature decreases. The law states, heat spontaneously moves from

Hi everyone :) About 14 million people per year receive the diagnosis of cancer. Over a half of them will die because of this uncontrolled growth of tissue. A horrible number and a horrible reality for

Hi everyone :) Erbium is a chemical element with the atomic number of 68, enabling us to store quantum information 10.000x longer compared to the efforts from other experiments. It's chemical symbol is

Hi everyone :) If we look at a three-dimensional coordinate system, the following relative positions between two planes can occur: (A short explanation for those who don't know what a plane in geometry