FREE-SPACE OPTICS/WIRELESS FIBER: Internet Dictionary Word of the Day

Free-Space Optics/Wireless Fiber:

A technology that uses lasers and optical transceivers to send signal-bearing photons directly through the air instead of over fiber-optic glass.

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OPTOELECTRONIC: Internet Dictionary Word of the Day

Optoelectronic:

The blending of photonics and electronics so that photons are used for transmitting data and electrons are used for switching. Current communications networks operate using this hybrid system; in the future, our PCs will also be optoelectronic.

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NANOTECHNOLOGY: Internet Dictionary Word of the Day

Nanotechnology:

Nanotechnology is an umbrella term that covers many areas of scientific research dealing with objects that are measured in nanometers, or a unit of length in the metric system, equal to one billionth of a meter. Examples of nanotechnology in modern use are the manufacture of polymers (plastics, DNA and proteins) based on molecular structure, and the design of computer chip layouts based on surface science.

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FIREWALL: Internet Dictionary Word of the Day

Firewall:

It is a security measure used by many companies to prevent hackers and other unauthorized users from accessing internal networks.

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BANDWIDTH: Internet Dictionary Word of the Day

Bandwidth:

The technical definition of “bandwidth” involves the difference between two frequencies and the amount of information that can flow through a channel, as expressed in cycles per second (hertz). It also refers to the range of frequencies (not the speed), or the measured amount of information, that can be transmitted over a connection: the higher the frequency, the higher the bandwidth and the greater the capacity of a channel to carry information.

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APPLICATION LAYER PROTOCOLS: Internet Dictionary Word of the Day

Application Layer Protocols:

They transform data into info people can use; they make the 1s and 0s into a readable text message or a video we can see.

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BOOLEAN SEARCH/OPERATOR: Internet Dictionary Word of the Day

Boolean Search/Operator:

A search using the words ‘and’, ‘or’, and ‘not’ to find a word or combination of words using an Internet search engine; operator: a word such as ‘and’, ‘or’, or ‘not’ used in a Boolean search on the Internet.

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AUTHENTICATION / AUTHENTICATED SENDER: Internet Dictionary Word of the Day

AUTHENTICATION / AUTHENTICATED SENDER:

Someone who has authenticated with the server (usually with a username and password) and is allowed to send something, usually mail.

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ALGORITHM: Internet Dictionary Word of the Day

ALGORITHM:

A set of mathematical rules that search engines use to rank the search results once a user has entered in a keyword (or keywords) when performing an online search. In other words, it is a method of ranking the Web site listings contained within its index.

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Wireless and Your Health.

New technology always has its naysayers. With the rapidly growing amount of wireless technology available, many people fear what it could be doing to their health.

Mobile and wireless devices emit radiation – that’s a scientific fact. What we don’t know is how much radiation our bodies are receiving from this technology.

What the Experts Have to Say

On one hand, some scientists claim to have found evidence saying wireless devices are harmful, but on the other hand it’s harder to find evidence saying something isn’t harmful. You’d be trying to prove that something doesn’t exist, which is harder than proving that something does. The World Health Organization has concluded that there isn’t enough evidence to confirm these health fears.

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