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Want facts and want them fast? Our Maths in a minute series explores key mathematical concepts in just a few words.
The COVID-19 pandemic has amplified the differences between us. Understanding these inequalities is crucial for this and future pandemics.
Now it's the turn of mathematicians to help to improve the communities of the future.
There have been accusations that the modelling projecting the course of the pandemic was too pessimistic. Are they justified?
We all know what turbulence is, but nobody understands it.
Find out about the beautifully intuitive concept that lies at the heart of calculus.
Here's a thought experiment for you. Let's say you are driving on a road that crosses railroad tracks. A train is coming. You're feeling confident that you can beat the train to the crossing. If you speed up enough, you win, but if too little, you lose. Velocity is, of course, distance traveled per unit of time in a particular direction. Is this a good time to assert that time doesn't exist, and therefore, speeding up is meaningless? If time doesn't exist, are you even moving? Is the train even moving, or are you just imagining it? But the cleanup crew will be absolutely sure that both the car and train had velocity. And the timing was terrible.