BRAIN TEASERS

enter your answer and press button OK

I am the tool, for inspiring...

I am the tool, for inspiring many. Buy me in the store, for not much more than a penny. Don't overuse me, or my usefulness will go, what am I? Do you know?

Correct answers: 24

The first user who solved this task is Chandu Rajyaguru.

#brainteasers #riddles

Register with your Google Account and start collecting points.

Check your ranking on list.

Food for Thought

Lisa: "My son is a waiter."
Rose: "Oh, he works in the food industry?"
Lisa: "No, he always keeps us waiting."

Jokes of the day - Daily updated jokes. New jokes every day.

Follow Brain Teasers on social networks

Brain Teasers

puzzles, riddles, mathematical problems, mastermind, cinemania...

X-ray movie

In 1937, films of moving X-ray images on a fluorescopic screen showing the movement of organs of the human body were shown at the American Roentgen Ray Society convention. in New York City. The images were filmed with a home 16-mm movie camera at 16 frames per second (reduced to 12 or 8 fps for thicker bodies). Two seconds exposure could capture two or three beats of the heart, the act of breathing, movements of the diaphragm or motion of joints. Film clip loops could be projected to show repeating motion. The films were made by Drs William H. Stewart, William J. Hoffman and Francis H. Ghiselin from Manhattan's Lenox Hill Hospital. They reported their technique at the previous year's convention.«

This site uses cookies to store information on your computer. Some are essential to help the site properly. Others give us insight into how the site is used and help us to optimize the user experience. See our privacy policy.