Estimated time: 5 minutesField: Mechanics / Law of Inertia Let's sharpen our physics thinking with one problem every day!

Most of physics mechanics is built from a single equation. That is the equation of motion.$${ma=F}$$What this equation says ...

ETH Zurich researchers show a single humanoid robot policy beat specialized controllers on all eight mixed-terrain courses, ...

Here’s the real math behind Elon Musk’s latest flight of fancy.

According to Aristotle, time merely describes change. To demonstrate this, he used the example of a person locked in a room, ...

A continuous-wave laser study finds strong third-order nonlinear optical responses in MEH-PPV and PBDB-T polymer solutions, ...

The Time Quantum replaces Urwerk’s familiar orbital display with a mechanism that jumps, pivots, and changes shape at the top ...

A new compendium provides standardized equations for estimating the mechanical work of common high-intensity functional training exercises, while cautioning that the estimates remain unvalidated ...

Hula hooping may be literal child's play, but as it turns out, the physics behind the gym-class staple is so complicated that ...

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Categorization is crucial for survival, helping animals forage, navigate, and avoid predators—all tasks involving movement.

Physics is the search for and application of rules that can help us understand and predict the world around us. Central to physics are ideas such as energy, mass, particles and waves. Physics attempts ...