Advertisement


Terry Shyu, MSE Ph.D. Student, demonstrates use of nanopillars that reveal hidden images via condensation of fluid on the structures. (Credit: Joseph Xu)


Terry Shyu, MSE Ph.D. student, prints nanopillars. (Credit: Joseph Xu)


Printed nanopillar (Credit: Joseph Xu)

Read: A Breath Reveals a Hidden Image in Anti-Counterfeit Labels

Advertisement
Advertisement