Jeff Smith's Math Puzzle for July 31, 2026 – You could be swinging on a star, or you could be a star swinging. The post Math ...

In New York City in 2018, a cat reportedly fell from the window of a 32nd-floor apartment onto hard asphalt—and survived. After a two-day stay at the vet, who treated a collapsed lung and broken teeth ...

The teleoperated robotic system can support humans to complete tasks in high-risk, high-precision and difficult special environments. Because this kind of special working environment is easy to cause ...

Planar motion constraint occurs in visual odometry (VO) and SLAM for Automated Guided Vehicles (AGVs) or mobile robots in general. Conventionally, two-point solvers can be nested to RANdom SAmple ...

Maybe you thought my previous post on the crushing g-force of the Epstein drive from The Expanse would be the end of that. Wrong. This is such great clip, I have to do more. In case you missed it, let ...

Shini Somara introduces us to the ideas of motion in a straight line. In this, THE FIRST EPISODE of Crash Course Physics, your host Dr. Shini Somara introduces us to the ideas of motion in a straight ...

Pathogens, invasive species, rumors, or innovations spread much more quickly around the world nowadays than in previous centuries. The speedup is caused by more frequent long-range dispersal, for ...

Many extreme roller coaster these days have vertical loops. Have you noticed that these loops are never circular? Why is this? They all, also, seem to have the same similar ‘inverted teardrop’ ...

Determining individual-level interactions that govern highly coordinated motion in animal groups or cellular aggregates has been a long-standing challenge, central to understanding the mechanisms and ...

Why are so many rocket launches done from Cape Canaveral in Florida? There are two main reasons. The first is energy. Suppose I want to put an object in low-Earth orbit (about 300 km above the surface ...