CHICAGO — You might think scientists would have figured out by now the answers to such basic questions as why water droplets splash, why sand castles collapse and what makes shaving cream so creamy.

Look, paying attention in high school wasn’t everyone’s strong suit. There’s no shame in that. In fact, it’s hard enough recalling the name of your physics teacher, let alone Einstein’s theory of ...

It’s important for the students to know that physics requires conceptual understanding with a little bit of cramming. This subject is not only important for Class XII students to score well in board ...