A Modern Miracle Demonstrated The
Sydney Morning Herald 20
October 1897 |
Wireless
telegraphy has now been satisfactorily demonstrated by the London postal
authorities, as we learn by cable, to be possible not only over short but
also over long distances. That
seems to be the outcome of the secret experiments between Dover and the Firth
of Forth, and the importance of the discovery hardly needs emphasising. What it
means is that civilisation has been made acquainted with another nineteenth
century miracle, to be added to the brilliant discoveries already set down to
the credit of the last sixty years of scientific research. The
telegraph was a modern miracle in itself, although the wonder became
conventionalised to some extent by the visible means of communication. But now even the wire is to be superseded,
and what we are asked to accept as a demonstrated fact is the claim that a
message can be electrically conveyed, not only through such obstacles as
stone walls, but over hundreds of miles of distance, without any other
visible agency beyond the transmitter at one end and the receiver at the
other. The
experiments made at the London Post Office some months ago were held to have
conclusively established the reality of the thing so far as short distances
were concerned, although the transmitting and receiving points were separated
by substantial obstacles. The
young Italian inventor, Marconi, then showed a committee representing various
civil, military, and naval branches of the service that he could send a
message one hundred feet without wires and through six or more walls. The
experiments were made in St Martin's-le-Grand and duly attested. Now the
experiments are carried to the next stage, being successfully made to show
that not only material obstacles, but even space itself, may be negotiated,
and the message sent from one extremity of England and satisfactorily
delivered beyond the other. The
secret experiments made show a desire to keep the knowledge of details
regarding this invention for the present from the public. Curiosity
must therefore rest satisfied with such information as has been furnished,
but so far as the majority of people are concerned doubtless the mere fact
that wireless telegraphy has been shown to be possible will sufficiently
occupy public interest. The
discovery reminds us that it is only since 1837 - that is to say, within the
compass of a single lifetime - that telegraphy itself has been practically
known and utilised. It is
only just over fifty years since the first electric telegraph company was
established in England, and nearly twenty years more elapsed before submarine
cable communication was fairly established across the Atlantic. To
recall these dates is to bring vividly before the mind the utter modernness of telegraphy itself, and when we think of the
large part it plays to-day in the major and minor concerns of public and
private life much consideration is not required to realise how much of the
history of the past it would have rendered frankly impossible had it been
known, and how much the evolution of the future depends on this method of
swift communication. Yet it
has always been apparent that telegraphic intelligence is continually at the
mercy of interruption - that a wire may be cut, the circuit broken or
misdirected, or the wire tapped by a clandestine connection. Wireless
telegraphy, though the mention of the thing seems at a first hearing to be
something like a challenge to the human intelligence, undertakes to do away
with these dangers by abolishing the wire altogether. Of
course, in doing so, it may introduce another danger. In the present stage of
information available it would certainly appear that half a dozen receivers
within a radius affected by the electrical influence transmitted may have as
much power to collect the news transmitted as one. But
that as well as the extent to which the newer system
will supersede the old, are details for further investigation. We are
not told if the experiments conducted between Dover and the Firth of Forth
imply that the messages were directly transmitted from the one point named to
the other, or whether they were repeated from point to point along the route.
The
difference means a good deal, apart from the marvel of the thing, for if a
message can be sent unbroken over hundreds of miles, it practically allows,
with but a few repetitions at best, for transmission over as many thousands. This
suggests another of the elements of wonder in the discovery, which in any
case marks such stupendous advance since Galileo two hundred and sixty-five
years ago predicted a time when it would be possible for men, by the
vibration of magnetic needles, to exchange communication with each other over
great distances. The
Morse system and multiplex telegraphy were remarkable advances in their
respective ways, but this discovery of Marconi's bids fair to eclipse them
all. It is
the latest in the long list of discoveries destined to make the nineteenth
century famous in history, and give it a distinction of its own as the age
par excellence of scientific achievement. In
electricity alone the recent advances of science have been as marvellous as a
fairy tale. Early in the present year, as Lord Kelvin declared, the discovery
of the Rontgen rays permitted us to look into some of the mysteries of nature,
while several learned professors declared the event unparalleled in the history
of physical science. Tesla
and Edison have since utilised the rays in the production of a new and more
effective electric light. It is
not so very long since the American inventor gave the world the telephone and
the phonograph, and only to make a list of the modern discoveries in
connection with electricity and their application would fill a formidable
document. No
doubt other centuries have appeared as wonderful to others as the present
does to us, but it may fairly be doubted - whether we are rediscovering
secrets forgotten in a former stage of the world's history, or inventing something
absolutely new - if those who come after us will have any difficulty in apportioning
the palm of scientific achievement. |