Your Hand is the New Key to Unlock Everything | An Article on Vein Identification Submitted By Rahul Kundu

Hello netizens, On this post, I am going to share An Article on Vein Identification Submitted my friend By Rahul Kundu

Vein recognition, otherwise known as vascular biometrics, refers to technology that measures parts of a subject's circulatory system which is a s unique to her as a fingerprint.It is the world's first contactless personal identification system that uses the vein patterns in human palms to confirm a person's identity.To use a vein recognition system, you simply place your finger, wrist, palm or the back of your hand on or near the scanner. A camera takes a digital picture using near-infrared light. The hemoglobin in your blood absorbs the light, so veins appear black in the picture.

How can a fingerprint be used to identify a person?
The answer is Forensic scientists have used fingerprints in criminal investigations as a means of identification for centuries. ... A person's fingerprints do not change over time. The friction ridges which create fingerprints are formed while inside the womb and grow proportionally as the baby grows.

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Raspberry Pi - The Future of Computing Device Submitted By Rahul Kundu

Hello netizens, On this post, I am going to share information on Raspberry Pi - The Future of Computing Device which is Submitted By My Friend Rahul Kundu.

What is Raspberry Pi?
The answer is The Raspberry Pi is a low cost, credit-card sized computer that plugs into a computer monitor or TV, and uses a standard keyboard and mouse. It is a capable little device that enables people of all ages to explore computing and to learn how to program in languages like Scratch and Python.The Supporting OS are 9front,Android Things,Arch Linux ARM,CentOS,Debian,Fedora,FreeBSD,Kali Linux,Raspbian,RISC OS etc.Raspberry Pi may sound like the name of a math-based dessert. But it is actually one of the hottest and cheapest little computers in the world right now. The story of the Raspberry Pi begins in 2006 when Eben Upton and other faculty members at the University of Cambridge in Britain found that their incoming computer science students were ill-prepared for a high-tech education. Mr. Upton posited that parents did not want their children to destroy their expensive computers by experimenting with their insides. But a cheaper machine would be fair game for messing around. The Raspberry Pi — about 3 inches by 2 inches and less than an inch high — was intended to replace the expensive computers in school science labs. For less than the price of a new keyboard, a teacher could plug in the Pi and connect it to older peripherals that might be lying around. But because Pi initially ran only Linux, a free operating system popular with programmers and hobbyists, students would have a learning curve.“We honestly were thinking of this as a 1,000- to 5,000-unit opportunity,” Mr. Upton said. “The thing we didn’t anticipate was this whole other market of technically competent adults who wanted to use it. We’re selling to hobbyists.

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