ALostInquirer@lemm.ee to No Stupid Questions@lemmy.world · 6 months agoWhat produced the old dead channel tv static audiovisuals on tvs?message-squaremessage-square51fedilinkarrow-up10arrow-down10
arrow-up10arrow-down1message-squareWhat produced the old dead channel tv static audiovisuals on tvs?ALostInquirer@lemm.ee to No Stupid Questions@lemmy.world · 6 months agomessage-square51fedilink
minus-squaredb2@lemmy.worldlinkfedilinkarrow-up0·6 months agoYou’d still see static from the TV itself and any radiation that passed in to the cage. It’s not a perfect EM blocking device like TV shows and movies would have you believe. https://en.wikipedia.org/wiki/Faraday_cage
minus-squarecmnybo@discuss.tchncs.delinkfedilinkEnglisharrow-up0·6 months agoEven if the Faraday cage blocked all RF perfectly, the Johnson noise would still produce plenty of static.
You’d still see static from the TV itself and any radiation that passed in to the cage. It’s not a perfect EM blocking device like TV shows and movies would have you believe.
https://en.wikipedia.org/wiki/Faraday_cage
Even if the Faraday cage blocked all RF perfectly, the Johnson noise would still produce plenty of static.