资讯

Learn the difference between distance, displacement, speed and velocity, and how to calculate distance, speed and acceleration.
The NFL is embracing some new technology with virtual first down measurements, but what is Hawk-Eye and how does it work?
In pedagogical terms, what has probably changed most since 1968 is the agreement that the best way to teach special relativity is through the judicious use of space–time diagrams.
In Young Voices this week, Nuur Qistina Hayani Nazrol Hafiz shares how things that may seem small and irrelevant at school ...
In the past few months, there was a lot of publicity, with Tesla launching new cars and offering price reductions, but did ...
Your cheat sheet for converting min/mile to min/km – and what paces you need to run to hit your 5K, 10K, half marathon and marathon targets ...
Q: Too often, I see drivers give maybe one blink of their turn signal before turning. That can’t be enough to meet the requirements of the law, right? How far in advance of an intersection or lane ...
We all have days where it feels like time’s just slipping away. You sit down to finish something “quickly,” and before you know it, half the day is gone– and the task is still not done ...
We like to think that we're pretty good at math, especially after years of schooling. But every once in a while, a simple third-grade math problem manages to trip us up and make us question our ...
Relive the highlights and heartbreaks of last season's local sports league battles. Discover the winners, results, and ...