Prabakaran Shankar | StoriesLatest stories from Prabakaran Shankarhttps://prabakaranshankar.com/The Rainbow Film That Wasn’t a Failurehttps://prabakaranshankar.com/stories/an-anisotropy-of-isotropy/https://prabakaranshankar.com/stories/an-anisotropy-of-isotropy/A sputtered zinc oxide film was expected to be uniform. Its unexpected colors revealed hidden differences in structure, composition, electrical behavior, and gas-sensing performance across a single glass slide.Wed, 12 Aug 2026 00:00:00 GMT