UCSD Engineers Reveal Humidity-Activated Optical Data Chip
TL;DR. University of California San Diego engineers developed an optical device that reveals hidden data when exposed to humidity. - The stamp-sized chip encodes information across different humidity levels, allowing for selective data retrieval. - Researchers used cost-efficient hydrogels and antimony trisulfide to overcome traditional optical storage limitations. - Potential applications include secure credit card features or environmental sensors that respond to moisture changes.
- UCSD researchers created an optical data storage chip.
- The chip activates and reveals information when breathed upon, due to humidity.
- It uses hydrogels and antimony trisulfide for cost-effective, scalable data storage.
- Applications involve security features and environmental sensing.