Life Straw

Zhijing Chen Emerging Information Technology

Our planet is full of water 

Water

is a chemical substance that is essential to all known forms of life

What is in the water?

Here I have something which we hardly see  http://www.umaine.edu/WaterResearch/Fiel dGuide/inthewater.htm

Life Straw  The

Life Straw

is an instant water purification filter designed by the Danish Vestergaard Frandsen Group  The device is able to clean bacteria, such as typhoid, salmonella,

Escherichia coli

, and cholera, from water for people living in third world countries

Life Straw

Life Straw  http://www.youtube.com/watch?v=SzzCSAT FiyM http://www.time.com/time/business/article/0, 8599,1129522-2,00.html