A stone skimming the surface of a liquid layer. If \(x_1\) reaches the body’s leading edge, we deem it to have sunk, while if it reaches the trailing edge, this is a skim.
More from Chalkdust
In conversation with Alison Etheridge
Elinor Flavell talks to the recently appointed dame about life, mathematics and more.
Things with silly names
Katie Steckles doesn't understand why any mathematical phenomenon would ever have a not-silly name
Advent puzzles IV
Behind today's door... a puzzle!
Snowflake, the symbol of winter: different sizes, infinite shapes
Winter is coming!
Names for large numbers
Extending the million, billion, trillion system to much, much bigger numbers
What’s your favourite function? Part II
We have received loads of feedback from people telling us their favourite function