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Full-Text Articles in Physical Sciences and Mathematics
Cosmic Radiation, Anthony Keane
Cosmic Radiation, Anthony Keane
The ITB Journal
The planet Earth orbits the Sun in what is often considered to be empty space but is in fact full of very small charged particles speeding in all directions. The situation can be compared to the Earth having to constantly travel in a light shower of rain and with the atmosphere acting like an umbrella. The 'rain' is made up of charged particles called 'Cosmic Rays'. The name cosmic ray was given long ago to invisible ionising radiation that could mysteriously discharge an electroscope even when the electroscope was heavy insulated. Early scientists quickly established a relationship between the rate …
The Role Of Cryptography In Security For Electronic Commerce, Ann Murphy, David Murphy
The Role Of Cryptography In Security For Electronic Commerce, Ann Murphy, David Murphy
The ITB Journal
Many businesses and consumers are wary of conducting business over the Internet due to a perceived lack of security. Electronic business is subject to a variety of threats such as unauthorised access, misappropriation, alteration and destruction of both data and systems. This paper explores the major security concerns of businesses and users and describes the cryptographic techniques used to reduce such risks.