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?
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?
The asteroid belt is one of the most attractive regions in our solar system. This asteroid belt...
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!
We convert other energy sources (coal, nuclear, etc.) into electrical energy through power plant. But how is the energy source converted to electricity?
UV light is an effective disinfectant for disinfecting. Main used in disinfectant. But have you ever thought, how does it work to kill germs?
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 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 has the potential to be better future energy than conventional nuclear energy, how good is it compared to conventional nuclear energy?
In December 2019, dozens of people in Wuhan, China, developed pneumonia. It turns out that this is caused by a virus similar to the SARS virus.
Maybe some of you have thought that the mirror is like a portal to another world, more precisely the world of upside down. But why it flipped right-left?
The night sky in science fiction often looks beautiful. Lots of cosmic nebulae and dust scattered in the sky. But the reality is not that beautiful.
Humans get ready to explore outer space and live there permanently. But if humans die out there, what happens to the human body?
Plastic. Easy to make, inexpensive, durable, can be used anywhere. But in 2018, plastics can be found in human ‘poop’. What happened?
The stars are amazing and beautiful to look at. But they also have color limitations. Here, we will explain why there’s no such green and purple stars.
Sometimes, when we board a plane, the fuselage suddenly feels vibrate whereas when seen outside the window there is nothing. This is called turbulence.
A solar eclipse is an event that occurs when the position of the moon is right between the sun and the earth and makes the sun looks covered by the moon.
A ‘laser’ weapon with energy equivalent to billions of stars. Maybe that’s the most appropriate parable for GRB (Gamma Ray Bursts).