| 
| 
|
| Tim demonstrates piezo crystal action | Tim rips the back off a carriage clock | |
| 
| |
| Rex finishes a giant LED display | Tim's watch (in the oven) finishes cooking | |
| 
| 
|
| Rex and Tim build a giant diaphragm | Tim tests a 2 piece museum phone | |
| ||
| Rex describes his 'through glass' listener |
