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Data Storage

Data Storing Bacteria Could Last Millennia 252

PetManimal writes "Computerworld has a story about a new technology developed by Keio University researchers that creates artificial bacterial DNA that can carry more than 100 bits of data within the genome sequence. The researchers claimed that they encoded "e= mc2 1905!" on the common soil bacteria, Bacillius subtilis. The bacteria-based data storage method has backup and long-term archival functionality." The researchers say "While the technology would most likely first be used to track medication, it could also be used to store text and images for many millennia, thwarting the longevity issues associated with today's disk and tape storage systems ... The artificial DNA that carries the data to be preserved makes multiple copies of the DNA and inserts the original as well as identical copies into the bacterial genome sequence. The multiple copies work as backup files to counteract natural degradation of the preserved data, according to the newswire. Bacteria have particularly compact DNA, which is passed down from generation to generation. The information stored in that DNA can also be passed on for long-term preservation of large data files."
Hardware Hacking

Water Logic Gates Built at MIT 239

ndogg writes "This story is all wet. Paulo Blikstein at MIT has created a water computer. The one boolean logic gate he created functions as a half-adder (i.e. both XOR and AND). He then proceeded to create a four bit adder."

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