I believe mythbusters did a similar segment on this. http://kwc.org/mythbusters/2005/08/mythbusters_killer_tissue_box.html http://kwc.org/mythbusters/2005/08/m

I believe mythbusters did a similar segment on this. http://kwc.org/mythbusters/2005/08/mythbusters_killer_tissue_box.html http://kwc.org/mythbusters/2005/08/mythbusters_killer_tissue... I don't believe they found that something the size and weight of a phone could be fatal, given the fire extinguisher that weighed 1kg didn't do much damage.