「トントントン、ツーツー」というふうに、長さの異なる符号を組み合わせて文字や数字を表すのが「モールス信号」です。たった2つの符号しか使わないモールス信号ですが、文字ごとのパターンを覚えるのが大変なもの。そんなモールス信号を簡単に ...

Hazel Picking, who has died aged 100, was a visual signaller in the WRNS during the Second World War. As a Girl Guide, Hazel Roberts (as she was born) had been good at Morse and semaphore, and, coming ...

When Samuel Morse sent the Bible passage "What hath God wrought" from the basement of the Capitol in Washington D.C. to Alfred Vail in Baltimore in May of 1844, he might not have suspected that Vail's ...

Morse code, often referred to as continuous wave (CW) in radio circles, has been gradually falling out of use for a long time now. At least in the United States, ham radio licensees don’t have to ...

Tony Ingesson does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...

Morse Code Day, observed on April 27, honors Samuel Morse, the inventor of Morse code, and celebrates this groundbreaking method of communication. Before modern technology, messages took weeks to ...

When Samuel Morse sent the Bible passage "What hath God wrought" from the basement of the Capitol in Washington D.C. to Alfred Vail in Baltimore in May of 1844, he might not have suspected that Vail's ...