If they're transparent.
Yes, it is possible. We can see the high voltage electricity can pass through the atmosphere. When cloud makes the thunder then we can see that high voltage pass through the air.
It is impossible
Centrifugal force - the spinning motion sends everything in the drum as far from the centre of rotation as possible. The side of the drum stops the clothes, the holes in the drum let the water through.
There are many see through or transparent objects at home such as: Eye glasses, windows made of glass, glass cups, plastic, some white clothes, if you have a fish tank I do, water is also see through.
Seethruzal, the infamous software that allows cellphones to see through clothes has been updated to a 2.0 version
No
price
i don't see how penetration can be even possible with clothes on, so no you can't get pregnant if you are dressed
Sometimes at premiers
just move the cloth out of the way
You will be able to see through the clothes..(don't try this at home kidz!)
This is how http://www.metacafe.com/watch/400249/photoshop_x_ray_trick_see_through_clothes/
If they're transparent.
Ones that aren't see-through
See-Through Clothes
To answer both of your possible questions: No. Tights are not supposed to be see through.