baltimorehousing

Few can miss the sight of cricket bats arranged on the footpath of Dr. Nelson Mandela Road in Bannimantap, near the arch gate entrance to Bal Bhavan.
Many passers-by, particularly cricket-crazy youngsters, stop by, hold the bats by the rubber grip on the handle and swing them for the kick of it. For prices ranging from Rs. 50 to Rs. 250 depending on the size, these hand-made bats made out of locally...

A cheap holographic microscope capable of detecting E. coli and other bacteria has been developed by researchers in the US.
The handheld device uses a laser instead of lenses to identify bugs in water, food or blood, and costs less than $100 (£60) to build....