[Brian Griffin]

“tinfoil liner”

I use cellphone Wi-Fi to access FR.

I can put the cellphone in a steel Farberware pot with the lid on and still access FR.

Putting the pot and phone in my refrigerator will block access to FR.

[ladyjane]

Does that block access to all other sites?

[Big Red Badger]

Cast Iron ?
.
Fridge or Oven....
.
Micro Wave could be a Real Disaster !

[sten]

the principal is to create a faraday cage to block the electromagnetic waves

if the seal isn’t 100%, signals can still leak thru