Biometric Technology Science At The Edge (2002) Heinemann Hardcover Book

Like-New! Ex-Library Book. Inner page has stamp, cover and rest of the pages are clean and crisp!

Imagine unlocking the door to your house without a key. Instead, you put your hand on the doorknob and it opens. Or, instead of showing a photo identification (ID) card to take out a book from the school library, you place your finger on a special machine.