At the time of Isaac Newton, it was believed that the celestial bodies were moved by the so-called ether, a substance assumed to fill up all of space. But no one could prove the existence of this substance. Newton realized: rather than ether, there must be a universal action at a distance, originati
Think of a spanner loosening a fixed nut Or a child on a seesaw Or a door opening around a fixed hinge All of these things are connected by something called moments… A moment is the turning force around a fixed pivot. The pivot is the nut, or the middle of the seesaw, or the hinge. We can have one
How do rockets break through gravity? Maths is all around us. It’s almost impossible to think of something that’s made without the help of mathematics. In this simpleshow we explain how maths made space travel a reality. Authors: Roman Ilyushenko, Nicolai Nobis The information for this video is p
Football might seem like a fun sport to watch, but the players are doing some life-threatening damage to their bodies! Click here to see more videos: https://alugha.com/LifeNoggin Follow Us! https://twitter.com/LifeNoggin https://facebook.com/LifeNoggin Life Noggin is a weekly animated educationa
Tools such as saws, hammers, and levers are designed to make work easier. Sometimes, the environment in which a person works dictates whether or not a certain tool will get the job done. In the microgravity environment of space, astronauts are often required to do experiments or simple repairs. On E
Reciprocal functions are actually extremely important. Isaac Newton deduced that the forces needed to hold planets in orbits is a reciprocal relationship with the squares of their distances. Radioactive isotopes decay reciprocally, and trees lose their leaves reciprocally. VISIT us at www.fusescho
How is your mental health? Within the hustle culture and within society at large, the word “lazy” has negative connotations. We imagine a person who’s messy, unkempt and unambitious and is given the stamp of a loser. However, laziness can be a consequence of something more complex and significant. I
We often think that freedom means acting without restrictions. But since one person's freedom can influence another's, unrestricted action usually creates problems. To prevent this, we create rules. Philosopher Isaiah Berlin went a step further and distinguished two types of freedom: negative freedo
Burnout is your response to prolonged stress that leads to mental fatigue, emotional apathy, and physical exhaustion. Most people think of burnout as too much work, but it can also catch us outside the office and usually comes in 5 stages: honeymoon, onset of stress, chronic stress, burnout, and hab
We made a mistake in the video. It is said that the test subjects held their hands in -10 degrees cold water. It was 14 degrees (Celsius) water. The mistake happened to us during the translation. People tend to judge experiences based on them and remember how they felt at the climax and end of the
Capitalism and socialism both aim to improve living conditions and society as a whole, but they differ significantly in the way they try to achieve this. In this video, we will break down the theories behind both systems and examine real-world data to find out which approach produces the best result
Obsessive-compulsive disorder (OCD) is a disorder in which a person has unwanted intrusive and repetitive thoughts that become obsessions. These obsessions cause sufferers to do things to alleviate thoughts, a behavior called compulsion. Since these learned rituals only provide temporary relief, the
