When something is saved to your hard drive it is engraved into a small disk, when you delete an item you are simply telling your computer "its safe to re-write here" and as such it can take quite a bit of time to write over your file at which point it will be gone/too corrupted … Read more
We all often use emails but did you ever think what happens to deleted emails after we delete them? Are they are gone? Do you think they stay on the hard drive of our computers or do they completely disappear?
Because the average commercial jet moves at about 465 mph stopping mid flight would kill everyone on board, as well as rip the plane to pieces. Otherwise we wouldn't need airports.