Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and Fundamental Forces from Imperial College London.View full profile Alfredo has a PhD in Astrophysics and a Master's in Quantum ...

At the critical point at which differences between liquid and gas seem to disappear, things are remarkably simple. When you purchase through links on our site, we may earn an affiliate commission.

Steve explores the properties of physical matter and the process of photosynthesis. Steve explores the properties of physical matter and then goes deep inside the magical plant world of photosynthesis ...

Students will learn how to categorize matter as either pure substances or mixtures. Students will apply tests, based on physical properties of matter samples, to determine whether a mixture is ...

Natalie Paquette spends her time thinking about how to grow an extra dimension. Start with little circles, scattered across every point in space and time—a curlicue dimension, looped back onto itself.