Page 3 - Issue 1 2023
P. 3

FROM THE
                          EDITOR'S
                          DESK




                                                       Extra-terrestrial signals
           Less is more                                Extra-terrestrial signal
                                                       search is underway using
                                                       the southern hemisphere’s
                                                       biggest radio telescope.
                 elcome to 2023, a year with more
                                                       Breakthrough Listen is
                 promises but also greater challenges.   an initiative to find signs
       WIt will hopefully be a year that leaves        of intelligent life in the
        the trauma of the past few years behind.       universe using a powerful new instrument deployed to the MeerKAT
                                                       radio telescope in the remote Karoo. The new search for techno
        I have good news for our readers. We are       signatures – indicators of technology developed by extra-terrestrial
        streamlining EngineerIT with fewer pages in    intelligence – expands the number of targets searched by a factor of
        every issue, but now two issues per month,     1,000. Read more
        with more weblinks to take you to many more
        interesting and technically relevant articles.   Nuclear fusion: The
        “Simply put - less is more.”                   “holy grail” of energy
                                                       production
        Each edition has a highlight theme which rotates   Physicists have pursued
                                                       the technology for decades
        on a six-weekly basis. The three themes are:
        -  Software, data and services                 as it promises a potential
                                                       source of near-limitless clean
        -  Infrastructure and networks                 energy. On Tuesday 13 December 2022, researchers confirmed that
        -  Automation, measurement and electronics.
                                                       they had overcome a major barrier - producing more energy from a
                                                       fusion experiment than was put in.
        In addition to the themed articles, EngineerIT will   Nuclear fusion is described as the “holy grail” of energy production.
        cover news and articles on a wide spectrum of   It is the process that powers the Sun and other stars. It works by taking
        engineering, technology and science topics to keep   pairs of light atoms and forcing them together - this “fusion” releases
        readers ahead of developments in South Africa, on   a lot of energy. It is the opposite of nuclear fission, where heavy atoms
        the African continent and the world.           are split apart. Fission is the technology currently used in nuclear
                                                       power stations, but the process also produces a lot of waste that
        EngineerIT will continue to be available as an   continues to give out radiation for a long time. It can be dangerous and
        E-book and in PDF format, with active links to   must be stored safely. Read more
        advertisers’ web pages, and many more articles.
                                                       Sprites, elves, trolls
        Subscription to EngineerIT remains free and I   and pixies
                                                       No, we’re not talking fairy-
        invite you to share the subscription link on the
        front page with your colleagues and friends.   tale creatures. Sprites, elves,
                                                       trolls and pixies are all types
                                                       of transient luminous events
        I welcome your comments and interaction.
                                                       (TLEs) – bursts of red and blue
        Call me on 082 781 4631 or drop me a mail at   light that occur high above
        hansv@nowmedia.co.za.
                                                       thunder clouds and last for
                                                       as little as a fraction of a second. Named for their fleeting nature, eye-
        Welcome to 2023 and EngineerIT.                witnesses reported strange flashes above thunderstorms for more than
                                                       a century before scientists accidentally caught one on film during a
        Regards                                        test for a rocket mission in 1989. Since then, scientific campaigns have
                                                       captured stills and high-speed recordings of sprites and other TLEs
        Hans van de Groenendaal                        around the world. Scientists have many unanswered questions about
        Editor                                         the phenomena. Read more


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