How long is the visible part of the rope? The deck boards are “2 by… Read the postHow long is this coil of rope?
See the original problem here My standard approach to modelling a problem like this is… Read the postMy solution to “How long is this coil of rope?”
The first controlled flight by humans was courtesy of a large balloon. Filled with warm… Read the postHow hot does it get inside a ‘hot-air balloon’?
I have always loved the way Greek prefixes make shape names & units of measurement… Read the postMy solution to that ‘linguistics of chemistry’ (Math!) problem
Trust me, you don’t need to know any chemistry to solve this. This question comes… Read the postLinguistics of organic chemistry, but still a Math problem!
Most of us are aware that from December 21st to June 20th, days get ever… Read the postHow much extra daylight per day?
This is my solution to this problem. I have not finished yet… NB: I know… Read the postEarth, Moon distance solution!
Big thank you to NASA for allowing the use of its images for our education… Read the postHow far is the moon from the Earth in this NASA photo?
When I heard a loyal listener to the BBC’s More or Less podcast recently ask,… Read the postHow is this beautiful image of the Solar System dangerous?