John Carl Villanueva
Surface of the Moon
[/caption]Despite the close proximity between the Earth and the Moon, there's a big difference between the surface of the Moon…
What is a Joule?
When we raise an apple up to a height of one meter, we perform approximately one joule of work. So…
What Is Static Electricity?
[/caption]Wonder why you sometimes get zapped when touching a doorknob especially during winter? People will tell you it's a simple…
What Is Sound?
[/caption]Light and sound are both waves. However, the former can travel through a vacuum while the latter cannot. So what…
What Is A Moon?
Before the invention of the telescope in the early 1600's, man just knew of the Moon -- a round, mysterious…
Radiation from the Sun
[/caption]Radiation from the Sun, which is more popularly known as sunlight, is a mixture of electromagnetic waves ranging from infrared…
Sea of Tranquility
The Sea of Tranquility is the landing site of Apollo 11, the mission that gave mankind its first ever walk…
Gases In The Atmosphere
[/caption]There are different gases in the atmosphere. There's nitrogen (the most abundant of them all), oxygen, and argon. There are…
How Big is Mars?
[/caption]Planet Mars' Olympus Mons holds the record for the tallest known peak in the entire Solar System. Having a height…
How Are Rocks Formed?
As a terrestrial planet, Earth is divided into layers based on their chemical and rheological properties. And whereas its interior…