how do you get a smudge off a face shield?
Hi friend, do you want a solar cooker? Himin solar cooker is a special one, you will enjoy it when you are on camping
Are any of the keys stuck down? Does it do this when you reboot the machine e.g. can you press F2 or Del to go into setup? Also are you familiar with the 2nd function keys onthe laptop (usually defined in blue on the key) to access these you usually press a Fn button to activate the blue part. Maybe you activated a keyboard lock by accident.
It's an analogy, and like all analogies if you stretch it too far it breaks. The rubber sheet model allows you to visualise 4 dimensions in 3-dimensional space. To visualise it properly you would need a 4-dimensional rubber sheet, and the ability to see 4-dimensional objects.
