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Welsh Achievements - in science, technology and engineering (PDF

Welsh Achievements - in science, technology and engineering (PDF

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For nearly 150 years <strong>Welsh</strong><br />

coal provided energy for<br />

ships, tra<strong>in</strong>s, <strong>in</strong>dustry,<br />

power stations <strong>and</strong> homes.<br />

now the concentration is on<br />

exam<strong>in</strong><strong>in</strong>g renewable <strong>and</strong><br />

more susta<strong>in</strong>able sources of<br />

energy.<br />

Lord nelson considered<br />

Milford Haven to be one of<br />

the f<strong>in</strong>est natural harbours<br />

<strong>in</strong> the world <strong>and</strong> today it is<br />

one of the few <strong>in</strong> Europe<br />

capable of accommodat<strong>in</strong>g<br />

super-tankers to supply the<br />

ref<strong>in</strong>ery <strong>in</strong>dustry <strong>and</strong> has<br />

now become the receiv<strong>in</strong>g<br />

term<strong>in</strong>al for imported LnG<br />

(liquefied natural gas), as the<br />

cleanest of the fossil fuels. A<br />

number of valleys <strong>in</strong> Wales<br />

have been dammed for water<br />

storage <strong>and</strong> supply whilst<br />

others provide hydroelectric<br />

power. At higher elevations<br />

Wales is generat<strong>in</strong>g over 380<br />

megawatts from w<strong>in</strong>d farms<br />

with an <strong>in</strong>tention to generate<br />

800 megawatts by 2010 from<br />

on-shore w<strong>in</strong>d <strong>in</strong>stallations;<br />

off-shore locations are<br />

already add<strong>in</strong>g to this.<br />

32<br />

The Centre for Alternative<br />

Technology <strong>in</strong> Machynlleth<br />

has for thirty years<br />

provided expertise <strong>and</strong><br />

work<strong>in</strong>g examples <strong>in</strong> the<br />

field of energy generation<br />

<strong>and</strong> usage. A number of<br />

<strong>in</strong>dustrial <strong>in</strong>itiatives has<br />

resulted directly from their<br />

activities <strong>and</strong> are be<strong>in</strong>g<br />

applied world-wide. Expertise<br />

<strong>in</strong> the academic sector is<br />

yield<strong>in</strong>g more efficient<br />

photovoltaic materials <strong>and</strong><br />

thermoelectric devices <strong>and</strong><br />

a number of companies are<br />

produc<strong>in</strong>g photovoltaics <strong>and</strong><br />

f<strong>in</strong>ished systems us<strong>in</strong>g this<br />

<strong>technology</strong>. Com<strong>in</strong>g over the<br />

horizon is the generation <strong>and</strong><br />

use of hydrogen as an energy<br />

source <strong>and</strong> Wales is <strong>in</strong>vest<strong>in</strong>g<br />

<strong>in</strong> the generation of the gas<br />

from w<strong>in</strong>d <strong>and</strong> solar sources<br />

as well as from bacteria.<br />

Energy generation <strong>in</strong> Wales<br />

encompasses most of the<br />

available technologies<br />

<strong>in</strong>clud<strong>in</strong>g nuclear, coal, gas,<br />

hydro, biomass <strong>and</strong> w<strong>in</strong>d.<br />

What will this list look like <strong>in</strong><br />

ten years time?<br />

Swansea based company Enfis develop light eng<strong>in</strong>es<br />

<strong>and</strong> arrays that emit extremely high-power light<br />

– <strong>in</strong>clud<strong>in</strong>g the world’s brightest LED package.

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