On 17/08/2011 2:19 PM, TonyS wrote:
On 16/08/2011 9:01 PM, Man-wai Chang wrote:
I threw it into a tin can then invert it. It still rang when I dialed
its number.
Must I use aluminium foil? Why does Al make a difference?
Had to test it
In a tin can (tea can 2x2x3") fully closed: no reception
Overlapping lid only 2 mm open: reception
Microwave: no reception
Tony
How did you check that you can hear the phone ring inside the completely
closed can?
Sylvia.