chatzida | These Traffic Lights never go out @chatzida | Uploaded January 2022 | Updated October 2024, 1 hour ago.
The popular chemistry experiment explanation with a detailed protocol and explanation as well as several "twists".

Το δημοφιλές πείραμα με αναλυτικό πρωτόκολλα και εξήγηση, καθώς και διάφορες παραλλαγές του.