How do they change Formula 1 tires so fast? Firstly, the tyre gunners (Nos. 3, 7, 14 and 19) remove the wheel with their pneumatic gun, and after that, the second member of the crew (2, 8, 13 and 18) removes the wheel and allows the third one (4, 6, […]

Why can hydrogen be placed in Group 1 or 7? Hydrogen has been placed in Group 7A (IUPAC Group 17), because — just like elements in that group — it is monovalent in common compounds and requires just one electron to fill its outer shell. Why are the elements placed […]

Are there poor people in Switzerland? Switzerland ranks third on the scale of the highest amount of disposable income in Europe. Overall poverty is low. Just 6.6 percent of the population lives in poverty and only 4.6 percent live in extreme poverty. The rate of poverty has been decreasing steadily […]

Do people have parents in the Matrix? 4 Answers. The Matrix, as Morpheus explains, is styled on the ‘boom’ of humanity: late 20th century earth. Everything about ‘normal’ life is replicated within the simulation, so yes the occupants of the Matrix will have sex, get pregnant and eventually give birth: […]

How is artificial intelligence used in gaming industry? In video games, artificial intelligence (AI) is used to generate responsive, adaptive or intelligent behaviors primarily in non-player characters (NPCs) similar to human-like intelligence. It serves to improve the game-player experience rather than machine learning or decision making. How is machine learning […]

What is the difference between hiking trekking? Whereas the definition of hiking includes the word “walk”, something typically seen as jovial, easy and pleasant, trekking is defined as a “journey”, which is typically something that is more challenging, requires more effort and that tends to take more than one day. […]

Can you learn contemporary dance at 20? You can start dancing contemporary at 16. You know what? Most of the pioneers of modern and contemporary dance started taking classes at that age or even later. Nowadays, the practice has spread a lot and there are official schools where you need […]

How many subsets of the set A B C are there? The outcomes are {}, {a}, {b}, {c}, {a,b}, {a,c}, {b,c}, {a,b,c}. Note that there are 23 = 8 subsets. How do you find the number of elements in a proper subset? Consider an example, If set A has the […]

How do two headed animals happen? Two-headedness results from factors that cause malformation of a developing embryo, which can be both genetic or environmental. But it does not tend to be inherited, since two-headed animals do not usually live long or reproduce. Can animals survive with two heads? Occurrence in […]

Can a teacher be an entrepreneur? In this day and age many of the skills needed to teach well are similar to those of starting a business – so it’s no coincidence that good teachers often make great entrepreneurs. Look at Jack Ma and Jim Collins. Here are Matoyana’s ten […]

Why do we see more colors if we only have three types cones? Since the three types of cones are commonly labeled by the color at which they are most sensitive (blue, green and red) you might think other colors are not possible. But it is the overlap of the […]