This trumpet makes no sound – an optical illusion

This trumpet makes no sound - an optical illusion
Blow all you want, trumpet boy,
’cause nobody can hear you.

Archimedes Lab>>

Leave a Reply

Your email address will not be published. Required fields are marked *

You may use these HTML tags and attributes:

<a href="" title=""> <abbr title=""> <acronym title=""> <b> <blockquote cite=""> <cite> <code> <del datetime=""> <em> <i> <q cite=""> <s> <strike> <strong>