This week’s new questions
7 December 2022
Could a rope be made long, light and strong enough for a tug-of-war over the 42 kilometres between Dover, UK, and Calais, France? And why do speakers at public events wave their hands around so much?
-
Subject
-
Section
-
Type
-
Topics
-
Author
-
Issue
-
Premium
How fast would you have to travel to be able to run on water? (part 2)
7 December 2022
One reader suggests another way you can run on water – but you need a boat
Why do loose screws only get looser and not the other way round?
7 December 2022
Our readers debate whether screws can tighten themselves as well as get looser
Does a latte cool faster than a cappuccino?
7 December 2022
One New Scientist reader has done the maths and settled this debate about coffee – and another has volunteered to join the testing team
Puzzle #197: Can you work out how the marshmallows were arranged?
7 December 2022
Can you solve this week’s logic puzzle, Marshmallow test? Plus the answer to puzzle #196
How to foster a toddler's yen for engineering
7 December 2022
Feedback explores the pedagogic possibilities of research into ball bearings, while also looking into why some presentations are improved by the inclusion of a sudoku
Learn the secrets of poinsettias to help them thrive
7 December 2022
Shop-bought poinsettias produce a stunning display of crimson, and these tropical plants can be coaxed into an encore performance if you have the patience, says Clare Wilson
