This question in the HSC maths extension 2 paper is notoriously difficult, designed to challenge even the brightest students.

Physics and Python stuff. Most of the videos here are either adapted from class lectures or solving physics problems. I really like to use numerical calculations without all the fancy programming ...

ATLANTA -- It's still early. They've just got to execute better. They just have to get off the field. That's what the Washington Commanders' defensive players say needs to happen. It's why they say ...

Embarrassing things can happen on national television. Especially on Survivor. It can be something as grand as playing a fake ...

Such projects are often fun for students and teachers. Teachers are often intrigued and amazed by students’ ideas and ...

It’s a relatively simple maneuver, but it has the potential to reveal clues about a possible heart issue. So what exactly does the “thumb test” entail, and what should people know about it? Below, ...

Germany's army was only recently equipped with armed combat drones. And the country has plenty of work to do when it comes to defending against enemy drones in German skies. Why is Germany so poorly ...

How linear, rotary, reciprocating and oscillating motion are evolving as customization grows and new capabilities emerge.

"With these probability maps, we can push asteroids away while preventing them from returning on an impact trajectory, protecting the Earth in the long run." ...

Humanity's drive to explore has taken us across the solar system, with astronaut boots, various landers and rovers' wheels ...