A Lithium battery powered Biotee-777 pacemaker, fitted to a Hungarian Janos Szilagyi on January 1979, is the longest working pacemaker, reported to be operating normally as on August 2002 - more than 23 years.
One of the world’s strongest magnets is at the Lawrence Berkeley Natural Laboratory, California (USA). Its field is 250,000 times stronger than the earth's.
The world's fastest elevators are in Chicago (USA). They travel up and down at more than 30 KMPH.
Japan is the country with the highest number of robot installations - more than 3, 00, 000.
The Broad balk experiment, the longest ongoing agricultural experiment, has continuous data from 1843 till date at Rothamsted, Hertfordshire (UK). This experiment aims to measure the effects of fertilizers on crops.
The smallest TV set in the world is the Seiko TV wristwatch, which has a 30.5 m wide screen and weighs only 320 gm.
Ships sail faster in cold water than in hot water, and sound travels 5 times faster in water than in the air.
Olympus’s hi-tech, disposable digital camera pill which measures 26 x 11 mm replaces conventional endoscopes that requires a tube to be inserted. This pill when swallowed by patients, travels through the digestive track and makes two shots per second. These images are sent wirelessly to a video monitor and thus the treatment starts.
The rarest element in the Earth's crust is Astatine (At), with around 25 gm in total occurring naturally.
NTT DOCOMO (Japan), with over 40 million subscribers to their i-mode service, is the world's largest wireless internet provider.
