The Boot Kidz — Educational
Fun with Maths - Wellington Boot Epicycles
Educational Epicycles Fun Maths Science Wellington Boots Wolfram Alpha
Karen HenryHere are 10 steps to create a Wellington Boot from rotating circles (epicycles). Ref 1: https://youtube.com/watch?v=qS4H6PEcCCA by Mathologer (recommend to subscribe) - Explanation of the maths Ref 2: https://mathematica.stackexchange.com/questions/171755/how-can-i-draw-a-homer-with-epicycloids by anderstood for the code Ref 3: Code file - if you need the code Ref 4: The welly image 1) Create an account (14-day free trial available) at https://mathematica.wolframcloud.com 2) Create a new Wolfram notebook (File -> New Notebook) Paste the following code into the top part of the notebook (takes a few seconds for Wolfram to recognise it): img = Import["https://cdn.shopify.com/s/files/1/0001/1319/files/wellington-boot-black-and-white.gif?9529291750893159073"];img = Binarize[img~ColorConvert~"Grayscale"];img = ImageResize[img,100];img = Blur[img,3];pts = DeleteDuplicates@ Cases[Normal@ ListContourPlot[Reverse@ImageData[img], Contours -> {0.5}], _Line, -1][[1, 1]];center = Mean@MinMax[pts] & /@...
Wellington Monument, Somerset, England
2015 2017 Duke of Wellington Educational History
Karen HenryThe Wellington Monument is located in the Blackdown Hills along the Somerset-Devon border in south-western England. The Wellington Monument was built to celebrate the Duke of Wellington's victory at the Battle of Waterloo with Napoleon's last stand taking place on Sunday, 18 June 1815. In 2015, Britain marked the bicentenary (200 years) of the decisive battle, which saw the Duke of Wellington, in whose honour the monument stands, defeat Napoleon in what is now Belgium. The Wellington Monument is a 175 feet (53 m) high. It is 80 feet (24 m) wide at the base. The foundation stone was laid in 1817,...
Mannequin vs Manikin Spelling
Educational English Fun manikin mannequin spelling
Karen HenryCategories: Educational, English, Fun Choosing between "mannequin" and "manikin" can be tricky, as both terms have different meanings based on their usage contexts. Here's a clearer, updated explanation to help you decide which spelling fits your needs: Manikin: This term is used when referring to a medical dummy, an artist's figure, or any small representation of the human body, like dolls or marionettes. Its etymology traces back to the Dutch word "manneken," which means "little man." Mannequin: Use this term for full-sized models used in window displays and for clothing display. The word originates from the French term of the...
How the weather works for kids
Article Dew Point Earth Educational Fun How it works Kids Oceans Precipitation Pressure Rain Seasons Sun Weather Wind
Karen HenryThe Sun The Sun makes all weather on the Earth. The Sun heats the Earth's ground, oceans, and air. Only the side of the Earth that faces the sun is heated by the Sun. The Earth rotates around its axis like a spinning top. Seasons The Earth also revolves around the sun causing the seasons. Winter, Summer, Autumn, and Spring have different temperatures. This is because the Earth is tilted on its axis of rotation. The seasons are Autumn, Winter, Spring, and then Summer. In Autumn the leaves change from green to yellow or red to keep the ground warm and protect the...