Twitchell's invented Summer Wheeze: a spray-can that instantly removes snow and slush. And Beansborough's getting snow-free. And Holly has to keep Frosty from melting, and convince everybody that snow's actually a good thing.

the television which was invented by two men with wildly different visions: John Logie Baird, a Scotsman, and a 14-year old American Mormon, Philo T Farnsworth, both died unrewarded but their invention, Jeremy reveals, helped win the Battle of Britain.
Throughout the series Jeremy gives his own passionate and witty take on some of the inventions and inventors that he believes have helped change the course of history.

the television which was invented by two men with wildly different visions: John Logie Baird, a Scotsman, and a 14-year old American Mormon, Philo T Farnsworth, both died unrewarded but their invention, Jeremy reveals, helped win the Battle of Britain.
Throughout the series Jeremy gives his own passionate and witty take on some of the inventions and inventors that he believes have helped change the course of history.

For centuries, differential equations have been the key to unlocking nature's deepest secrets. Over 300 years ago, Isaac Newton invented differential equations to understand the problem of motion, and he developed calculus in order to solve differential equations.
Since then, differential equations have been the essential tool for analyzing the process of change, whether in physics, engineering, biology, or any other field where it's important to predict how something behaves over time.