Thames & Kosmos Neon Light Writer handleiding

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Thames & Kosmos

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Handleiding

LIGHTING

TECHNOLOGIES

Gas discharge lamps generate light by sending an

electric current through ionized gas, which forms a

plasma. Examples include neon signs, plasma balls,

black lights, and compact ﬂuorescents.

High-intensity discharge lamps produce light from

an arc of electricity jumping between metal electrodes

inside a glass tube ﬁlled with special gases. The gases

include mercury vapor, metal halide vapor, sodium

vapor, and xenon. These lights are high-energy and very

bright and are often used for indoor greenhouses.

Lasers are another type of lighting technology.

The word “laser” stands for “light ampliﬁcation by

stimulated emission of radiation.” Lasers use optics to

focus electromagnetic radiation into highly focused

beams of light. Examples of lasers are found in DVD

players, laser printers, barcode scanners, and laser

cutters.

Combustion-based light is another large category

of light technologies. Combustion is a chemical reaction

that releases heat and usually light. The best example of

combustion is simply ﬁre. Combustion is used in many

light technologies, including candles, gas lanterns,

kerosene lamps, oil lamps, ﬁreworks, ﬂares and even the

torches cavemen are imagined to have carried around!

GEEK

OUT!

Geeky

Continued!

Anatomy of Type

Cap height

Ascender line

Serif

Stem

Eye

Arm

Tail

Descender

Ascender

Terminal

FinialCrossbar

Counter Aperture

Descender line

X-height

Baseline

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