DNA Unbeatable at Tic-Tac-Toe
The researchers have fashioned a device that uses pieces of artificial DNA to automatically play tic-tac-toe. And as long as it makes the first move, the device cannot be beat. The device is made of nine wells containing solutions where DNA can react. Some of the DNA in each well perform Boolean calculations when short single-stranded DNA sequences, or oligonucleotides, are added. The addition triggers an enzyme to react with DNA. Depending on the result, the reaction exposes a fluorescent molecule, which indicates a move.
...The researchers' method could be used to create automata that educate people about science. It could eventually be used to control nanodevices, including devices that monitor astronauts on long space flights**, according to the researchers.
**and you knew that monitoring astronauts on space flights is where ICU/CCU small, triple redundancy monitoring tech came from, right? I *love* the future for it is now!
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