
Episode 47
Counting Without Counting
You can instantly tell if there are three objects on a table, but if there are twenty, you would need to count them to be sure. Why can we spot the small groups without having to count, and how big does the group have to be for us to get...
Question of the Week, from the Naked Scientists
January 26, 20093m 46s
Audio is streamed directly from the publisher (flex.acast.com) as published in their RSS feed. Play Podcasts does not host this file. Rights-holders can request removal through the copyright & takedown page.
Show Notes
You can instantly tell if there are three objects on a table, but if there are twenty, you would need to count them to be sure. Why can we spot the small groups without having to count, and how big does the group have to be for us to get out our mental abacus'? We find out in this Question of the Week, plus, we ask why should spit shine shoes so successfully? Like this podcast? Please help us by supporting the Naked Scientists
Topics
naked scientistskitchen science