Phones don’t just remember numbers, but harbour a history of our personal & physical contacts

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Bacteria can utilize many different things as vectors in order to promote their transmission. Insects, water, food, coughs and sneezes, sexual contact, and rain are just a few examples. The mobile phone appears to be no exception this rule.

As part of a BMS1035 Practical and Biomedical Bacteriology, an undergraduate module had students imprint their mobile phones onto bacteriological growth media so that they might determine what they might carry. From the results, it seems that the mobile phone doesn’t just remember telephone numbers, but also harbours a history of our personal and physical contacts such as other people, soil, etc.

The images here are from the latest version of this experiment performed by the University of Surrey Level 4 UG students in 2014.

Smart phone cover glass treated with Log4+ will kill up to 99.99% of harmful bacteria and fungi for the life of the glass.

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