🇬🇧 English instruction:
Take place opposite each other and speak towards the wall.
One person takes position in the centre and tries to either speak to the others
or listen to their conversation.
• Can you understand your partner better when he is facing towards you while
speaking or when he whispers sideways, towards the wall?
• While speaking loudly, move towards the centre of the whispershell. What do
you hear? What do the others hear?
• Standing in the middle, say a few words. How does your voice sound to you?
How does it sound to the others?
• Do you have an idea as to why the dome is open at the top?