As a widely used security device,the electronic passworded locker is designed to protect personal property and space.However,once the password is leaked to an unauthorized person,its security is lost.Here,with the ass...As a widely used security device,the electronic passworded locker is designed to protect personal property and space.However,once the password is leaked to an unauthorized person,its security is lost.Here,with the assistance of triboelectric nanogenerators(TENGs),we present an intelligent electronic passworded locker(IEPL)based on unique and personalized security barriers,which can accurately extract users’habits of entering passwords through integrated deep learning.The key of the IEPL adopts the single electrode mode of TENG that accurately recognizes the input behavior of a person based on machine learning,which serves as a reliable,unique,unreproducible gate,with advantages of thin thickness,diversified structure,and simple preparation method.Finally,the proposed IEPL offers a reliable solution for improving the overall security of passworded lockers and extending the application of TENG-based sensors in the smart home.展开更多
The Taklamakan Desert is China's largest and the world's second-largest shifting desert.Desertification prevention and control here is considered the hardest of the hard nuts in the Three-North Shelterbelt For...The Taklamakan Desert is China's largest and the world's second-largest shifting desert.Desertification prevention and control here is considered the hardest of the hard nuts in the Three-North Shelterbelt Forestry Program.On November 28,2024,with the planting of the final rose sapling on the desert's southern edge,a 3,046-kilometer green protective belt was completed,encircling all 340,000 square kilometers of sand.This has created the world's longest ecological security barrier around a desert,stretching approximately three times the straight-line distance between Beijing and Shanghai.展开更多
基金the National Natural Science Foundation of China(No.61503051).
文摘As a widely used security device,the electronic passworded locker is designed to protect personal property and space.However,once the password is leaked to an unauthorized person,its security is lost.Here,with the assistance of triboelectric nanogenerators(TENGs),we present an intelligent electronic passworded locker(IEPL)based on unique and personalized security barriers,which can accurately extract users’habits of entering passwords through integrated deep learning.The key of the IEPL adopts the single electrode mode of TENG that accurately recognizes the input behavior of a person based on machine learning,which serves as a reliable,unique,unreproducible gate,with advantages of thin thickness,diversified structure,and simple preparation method.Finally,the proposed IEPL offers a reliable solution for improving the overall security of passworded lockers and extending the application of TENG-based sensors in the smart home.
文摘The Taklamakan Desert is China's largest and the world's second-largest shifting desert.Desertification prevention and control here is considered the hardest of the hard nuts in the Three-North Shelterbelt Forestry Program.On November 28,2024,with the planting of the final rose sapling on the desert's southern edge,a 3,046-kilometer green protective belt was completed,encircling all 340,000 square kilometers of sand.This has created the world's longest ecological security barrier around a desert,stretching approximately three times the straight-line distance between Beijing and Shanghai.
