It also just occurred to me. Just stand the tides up and sub sand for water. But does the sand actually run faster or constant? you stole my thunder. How about this one. The man who made it sold it. The man who bought it didn't want it. The man who used it didn't know it. What was it?
@garmoon The sand moves the fastest when the hourglass is completely vertical Your is hard, I'm guessing it's some sort of idea or theory, rather than something physical
Is it alcohol?? the bar owner doesn't want it but he buys it anyway the guy who drinks/uses it didn't know it was in his drink?? This is a real brain teaser
@ garmoon: A Coffin Heres one: I went into the woods and got it. I sat down to seek it. I brought it home with me because I couldn't find it. What is it?
Very good Ray. Garmoon The less sand, the quicker it runs out. Hence, the longer i stand the faster i run. Very good indeed. Anto I'm on it. EDIT A tick?
A splinter! Woo Uncle John's bathroom Reader has loads of these puzzles...... I got one. Guess the mystery job: A man works at a place with thousands of products, some of them very expensive. people take his products without paying for them - as many as they can carry - and just walk out. All the man asks is that they keep their mouths shut. What is his job?
I got three really easy ones. The first two work when they are spoken, but I don't know if they work when they are typed. 1-A plane crashes on the border between Canada and the US, where do you bury the survivors??? 2-A red house is made of red bricks, a blue house is made of blue bricks, a yellow house is made of yellow bricks, what is a green house made of??? 3-What do you put in a bucket to make it lighter??? Have fun
From the Harvey Mudd school for gifted kids (5th graders) Can a graviton field exist at the center of a hollow sphere made up of pure neutronium ? Yes or no and explain your answer Hint : http://arxiv.org/abs/hep-th/9911118 http://en.wikipedia.org/wiki/Graviton