Introduction

There are two main limitations of using conventional x-rays to examine internal structures of the body. Firstly superimpositions of the 3-dimensional information onto a single plane make diagnosis confusing and often difficult. Secondly the photographic film usually used for making radiographs has a limited dynamic range and therefore only object that have large variation in the x-ray absorption relative to their surroundings will cause sufficient contrast differences on the film to be distinguished by the eye. Thus the details ....etc

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SEM
Introduction
The optical microscope was invented in the early 17th century. Although this discovery that revolutionized science, these were the first microscopes little more than one type magnifying glasses. The centuries many scientists then looked for new versions of the microscope with an improved resolution. In the year 1900, the maximum resolution achievable with a light microscope reached: 2 micrometers.
This maximum resolution we can do as follows:
The wavelength is important for the resolution on ee optical system, es ....etc

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IRIS SCANNING
A FULL SEMINAR REPORT
Submitted by
MARIYATH K.A
in partial fulfillment for the award of the degree
of
BACHELOR OF TECHNOLOGY
in
COMPUTER SCIENCE & ENGINEERING
SCHOOL OF ENGINEERING
COCHIN UNIVERSITY OF SCIENCE &
TECHNOLOGY,
KOCHI-682 022
NOVEMER 2008Page 2

DIVISION OF COMPUTER SCIENCE & ENGINEERING
SCHOOL OF ENGINEERING
COCHIN UNIVERSITY OF SCIENCE & TECHNOLOGY,
KOCHI-682022
Certificate
Certified that this is a bonafide record of the seminar work entitled
IRIS SCANNING
done by the following student
MARIYAT ....etc

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The best optical microscopes can see structures in the 200 – 400 nm range, at their limits of resolution.
The STM can “see” structures on the order of 0.1 nm —another SPM, the AFM—can distinguish things on the order of 100 nm .
Optical microscopes are “diffraction limited”—the wavelength range of visible light (400-750 nm) sets the size of the smallest thing that can be imaged: ~ 400 nm.
Scanning Probe Microscopes don’t use visible light—they depend on measuring intermolecular ....etc

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Wireless Vulnerability Assessment: Airport Scanning Report

airtightnetworks.net
A Study Conducted by AirTight Networks

About this Study

Background
Airports world-wide now provide Wi-Fi Internet access for mobile users

Use of Wi-Fi hotspots by business users at airports is steadily increasing

Airports are increasingly using private Wi-Fi networks for baggage handling as well as passenger ticketing

The Goal
To assess adoption of security best practices at Airport Wi-Fi networks

To assess in ....etc

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Abstract:
Biometrics is an automated method of capturing a personâ„¢s unique biological data that distinguishes him or her from another individual. Iris recognition has emerged as one of the most powerful and accurate identification techniques in the modern world. It has proven to be most fool proof technique for the identification of individuals with out the use of cards. PINâ„¢s and passwords. It facilitates automatic identification where by electronic transactions or access to places, information or accounts are ma ....etc

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