How High Are Satellites?
There are so many man-made satellites out there, it’s around 2666 satellites (UCS, 1 Apr ’20). But have you ever wondered how high are satellites?
Why Do Comet Tails Point Away From the Sun?
Have you ever observed the NEOWISE comet or another comet? If you notice, the comet’s tail always leads away from the sun. But why?
Asteroid Belt 101: Definition, Origin, Shapes, and Misunderstanding
The asteroid belt is one of the most attractive regions in our solar system. This asteroid belt stretches quite wide from Mars orbit to Jupiter. Let’s discuss starting from the definiton. Definition of Asteroid Belt In our solar system, there are actually two asteroid belts, the main asteroid belt and the Kuiper belt. The main … Read more
Survivorship Bias: Dangerous Logical Fallacy
Without us knowing it, maybe we have been or even are trapped in one of the most common logical fallacies. This is called survivorship bias.
Quasar and Blazar: The Brightest Object in the Universe
The stars are very bright, but do you know what is the brightest object in the universe? The answer is Quasar and Blazar. Here’s the explanation!
How is Electricity Produced?
We convert other energy sources (coal, nuclear, etc.) into electrical energy through power plant. But how is the energy source converted to electricity?
How Does UV Light Kill Germs?
UV light is an effective disinfectant for disinfecting. Main used in disinfectant. But have you ever thought, how does it work to kill germs?
Nuclear Energy: 3 Reasons Why It Must Be Kept Up
Because of the Chernobyl incident, the use of energy was triggered by the danger when in fact it had greater potential behind it.
Nuclear Energy: 3 Reasons Why It Should Be Stopped
Nuclear energy is the energy that is increasingly being used by humans. Whether it’s as a weapon or as a power plant. It’s 10% of global energy.
Nuclear Fusion: Future Energy Sources
Nuclear fusion has the potential to be better future energy than conventional nuclear energy, how good is it compared to conventional nuclear energy?