Learn how to determine the image location and height in lenses with this clear, step-by-step tutorial! This video explains the principles of lens optics, including magnification, focal points, and ray ...

Plenty of our childhoods had at least one math teacher who made the (ultimately erroneous) claim that we needed to learn to do math because we wouldn’t always have a calculator in our ...

In mathematics, proofs can be written down and shared. In cryptography, when people are trying to avoid revealing their secrets, proofs are not always so simple—but a new result significantly closes ...

On February 14, 2026, a major announcement was made: The original Chinese AI algorithm "Congzi" was officially released under an open-source license. In 2025, after being tested by multiple ...

Start planning one of these free/low-cost activities for you and your group chat — they’re perfect for any occasion ...

Order a couple of colouring books online, or print out free templates. It’s soothing to turn your brain off and just doodle, ...

Finding a job in the tech world can feel like a maze sometimes, especially when you’re looking at places like Hacker News. It ...

Mathematics, like many other scientific endeavors, is increasingly using artificial intelligence. Of course, math is the backbone of AI, but mathematicians are also turning to these tools for tasks ...

Gemini Agentic Vision extracts image elements and normalizes bar charts for clear comparisons, helping you explain complex ...

Master the fundamental techniques of classical mechanics to analyze and solve projectile motion problems with confidence. In this video, we break down key concepts such as kinematics, velocity, ...

You’ve checked for understanding—now you can use this framework to understand what students’ confusion is telling you, and how you can adjust course.

After Lahore, Karachi could soon become the next major city to host a Basant festival, with Mayor Murtaza Wahab announcing ...