In high-intensity laser–matter interactions, including laser-induced particle acceleration, physicists generally want to work ...

Archaeologists in Poland uncovered two massive tombs hidden within megalithic structures often referred to as “Polish pyramids,” dating back roughly 5,500 years. Built by the Funnelbeaker culture, ...

We define and explain mathematically through multiple example problems. Segment 4E: Gravitational Potential and Kinetic Energy Gravitational potential energy and kinetic energy are defined and ...

We walk here, we walk there, we walk everywhere. Maybe you’re headed to work or to lunch in a busy city. You’re expending energy, and the exercise is good for you. But what if, on top of that, we ...