Iris recognition system security technology introduction

At present, there are two angles of research on biometric template protection from hardware and software.
The main idea of ​​the hardware solution is to design a closed identification system. The template is stored in a security module. From the physical point of

LED lamps staged "Hundred Flowers"


Edison's incandescent lamp is known as the first revolution in the field of optics. Since its invention, it has been with humans for more than 140 years. It has been used for more than 100 years, and it has made great achievements for human beings in the field of lighting. With the acc

Vaccine cold chain truck

Vaccine cold chain vehicle_Disease control vaccine delivery vehicle_Ford domestic refrigerated unit with dual temperature control_How much is a vaccine transport vehicle and under what circumstances can it not be vaccinated? No vaccina