John Carl Villanueva
How are Clouds Formed?
[/caption]I bet some of you are fascinated with certain cloud formations. My eldest son once pointed to the sky, excited…
How Many Continents Are There?
[/caption]Not everyone on this planet is in agreement as with regards to the total number of continents. So how many…
How Does Geothermal Energy Work
In order to understand why geothermal energy is considered an environment friendly alternative to fossil fuel, you must first be…
How Do Microwaves Work
[/caption]Microwave ovens don't operate in the same manner as conventional ovens. So how do microwaves work then? Microwave ovens take…
Convex Mirror
A convex mirror is a spherical reflecting surface (or any reflecting surface fashioned into a portion of a sphere) in…
Pyramids On Mars
[/caption]The Pyramids on Mars are hills or mountains on the surface of Mars that, from a low resolution image, have…
What is the Fastest Jet In The World?
If you're thinking the X-15 still holds the record for the fastest jet in the world, think again. That title…
Mount Krakatoa
[/caption]Mount Krakatoa is a volcanic island found in Indonesia. Its most famous eruption in 1883 is one of the biggest…
How Long is a Light Year?
A light year is the distance light can travel in vacuum in one year's time. This distance is equivalent to…
What are Plate Boundaries?
In Plate Tectonic Theory, the lithosphere is broken into tectonic plates, which undergo some large scale motions. The boundary regions…