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Biometric Updates

Residues in fingerprints hold clues to their age January, 2020
Police have long relied on the unique whorls, loops or arches encoded in fingerprints to identify suspects. However, they have no way to tell how long ago those prints were left behind -- information that could be crucial to a case. A preliminary new study suggests that could change. Researchers report that they could link […]
Improving efficiency, effectiveness of security X-ray technology December, 2019
The smuggling of contraband is a threat in airport security and risks have increased in modern times with the uptick in parcel delivery, but security inspection methods have not seen any significant improvements. Researchers propose a technique for efficient detection of contraband items. Typically, airport security uses X-ray imaging to quickly scan baggage, but this […]
Scientists identify harmful bacteria based on its DNA at a very low cost December, 2019
Currently, the detection of food poison outbreaks caused by bacteria takes a long time and is expensive, but this does not have to be the case in the future. Researchers have found a method for the precise identification of bacteria in just a few hours on a mobile-phone-sized device that costs about 200 times less […]
Tiny devices made of DNA detect cancer with fewer false alarms November, 2019
A new cancer-detecting tool uses tiny circuits made of DNA to identify cancer cells by the molecular signature on their surface. The circuits work by attaching to the outside of a cell and analyzing it for proteins that are more abundant on some cell types than others. The devices distinguish cell types with higher specificity […]
Fingerprint test can distinguish between those who have taken or handled heroin November, 2019
A state-of-the-art fingerprint detection technology can identify traces of heroin on human skin, even after someone has washed their hands -- and it is also smart enough to tell whether an individual has used the drug or shaken hands with someone who has handled it.
Quantum chip 1,000 times smaller than current setups October, 2019
Researchers have developed a quantum communication chip that is 1,000 times smaller than current quantum setups, but offers the same superior security quantum technology is known for.
Airborne chemicals instantly identified using new technology October, 2019
Scientists have developed a device that can identify a wide range of airborne gases and chemicals instantly.
Unlock your smartphone with earbuds September, 2019
A research team is developing EarEcho, a biometric tool that uses modified wireless earbuds to authenticate smartphone users via the unique geometry of their ear canal. A prototype of the system proved roughly 95% effective.
Nanowires replace Newton's famous glass prism September, 2019
Scientists have designed an ultra-miniaturized device that could directly image single cells without the need for a microscope or make chemical fingerprint analysis possible from a smartphone.
Optofluidic chip with nanopore 'smart gate' developed for single molecule analysis August, 2019
A new chip-based platform integrates nanopores and optofluidic technology with a feedback-control circuit to enable an unprecedented level of control over individual molecules and particles on a chip for high-throughput analysis.