Russian-born brainiac cracks 'insoluble' puzzle
Published: 09 February, 2008, 07:27
A Russian-born scientist has solved a maths problem that had had experts scratching their heads for almost four decades. Using just a pencil and paper, Avraham Trahktman, who immigrated to Israel in 1990, cracked what is known as the Road Colouring proble
The puzzle involves a person being lost in a strange town and being able to find his way to a friend's house from no matter where he is lost through instructions he is given.
The formula can also be applied to other problems such as tracing e-mails lost in a computer system.
Trahktman, who is 63, is developing an algorithm for his solution, which is creating a stir among many mathematicians.
09.02.2008, 06:53
Moscow centre offers homeless kids hopeWhile some Russian orphans and abandoned children are lucky enough to be adopted or fostered, many find themselves living in children's homes or even on the streets. But a centre in Moscow is working to change that, giving children the care and support th |
09.02.2008, 08:27
Bloodsuckers' banquet - leech therapy back in fashionLeech therapy is making a comeback. Enthusiasts say they can cure illnesses as diverse as heart disease and depression, causing the medical profession to re-assess the healing powers of the humble leech. |
