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- DNA (29095 bytes)
3: ...to as the [[molecule]] of [[heredity]], as it is responsible for the genetic propagation of most [[bio...
5: ...itochondria]] also carry DNA, as do many [[virus]]es.
8: ...nd computers, but what are the electronic properties of DNA? Is junk DNA only molecular garbage?}}
10: ...ing that this is not necessarily a very accurate description, and that it's only meant as a generic ov...
22: This section presents a brief and simple overview of DNA. - History of rail transport (7056 bytes)
2: ...od or stone. For discussion of particular countries see [[History of rail transport by country]].
9: ..., [[Leicestershire]] (in [[1789]]). In [[1802]], Jessop opened the [[Surrey Iron Railway]] in south [[...
11: ...until [[Richard Trevithick]] developed the high pressure steam engine in the 1800s.
14: ... too heavy for the track and kept breaking down. Despite his inventive talents, Richard Trevithick die...
16: ...f long distance railways plied by speedy locomotives, greatly reducing the time required for personal ... - Rail transport (15539 bytes)
3: ...a series of individual powered or unpowered vehicles linked together).
8: ...le than most other forms of land transport and saves energy.
9: ...f freight (or given number of passengers), than does [[road]] transport. Furthermore, together with th...
11: ...one of the safest modes of transport, and also makes a highly efficient use of space: a double tracked...
13: ...the major form of public transport in many countries. In [[Asia]], for example, many millions use trai... - Timeline of railway history (5902 bytes)
5: *[[1782]] [[Scotland|Scottish]] engineer [[James Watt]] invents first [[steam engine]] able to tur...
6: ... rails on coal railway at [[Loughborough]], [[Leicestershire]].
9: ...h Railway, better known as the [[Swansea and Mumbles Railway]]
13: ...ailway passenger service is started. The line proves the viabillity of rail transport, and large scale...
15: ...near [[Wurzen]], in [[1839]] the line reaches [[Dresden]].
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