In the vastness of empty space surrounding Earth, the Moon is our closest celestial neighbor.
Its face, periodically filled with light and devoured by darkness, has an ever-changing, but dependable presence in our skies.
In this article, we’ll learn about the Moon and its path around our planet, but to experience that journey first-hand, we have to enter the cosmos itself.
This article has many interactive demonstrations which are best seen on the website.
The dream of soaring in the sky like a bird has captivated the human mind for ages. Although many failed, some eventually succeeded in achieving that goal. These days we take air transportation for granted, but the physics of flight can still be puzzling.
In this article we’ll investigate what makes airplanes fly by looking at the forces generated by the flow of air around the aircraft’s wings. More specifically, we’ll focus on the cross section of those wings to reveal the shape of an airfoil – you can see it presented in yellow below:
This article has many interactive demonstrations which are best seen on the website.