This ancient invention allows people to see through walls. What is it?

What goes in hard, comes out soft, and you blow continuously?

What has a bed but can't sleep, a mouth that can't eat and runs but can't walk?

The person who makes it sells it, the person who buys it doesn't use it, and the person who is using it doesn't know there using it. What is it?

What does everyone wait for, but when it comes, you still have to wait?

When do you go at red, and stop at green?

Can you guess the next letter in the series? CYGTNLIT

What is big and yellow that comes in the morning to make moms day?

What number do you get when you multiply all the numbers on a telephone's number pad?

Where is the AD before BC, tomorrow before yesterday, and the eight is first?