Of course, but if I let my friend use my computer to check gmail, he or she could go to Firefox -> Preferences -> Security -> Saved Passwords and see all of my passwords anyway. By letting somebody use my…
This episode of Skeptoid - http://skeptoid.com/episodes/4036 - discusses this very video and concludes that what we're actually seeing in the video is water vapour (since mercury vapour is much heavier than air, why is…
Of course, but if I let my friend use my computer to check gmail, he or she could go to Firefox -> Preferences -> Security -> Saved Passwords and see all of my passwords anyway. By letting somebody use my…
This episode of Skeptoid - http://skeptoid.com/episodes/4036 - discusses this very video and concludes that what we're actually seeing in the video is water vapour (since mercury vapour is much heavier than air, why is…