Morse code is a method of encoding words that was invented in the 19th Century as a way of transmitting messages over long distances. This was before the era of telephones and way before smartphones!

「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 ...

Morse code is the Latin or Greek of telecommunications. Considered an archaism by most, it's still used by amateur radio operators, in the navy and in aviation. All you have to do is synthesize a ...

"Morse code" is used to express letters and numbers by combining codes of different lengths, such as "Ton Ton Ton, Toe". Although it is a Morse code that uses only two codes, it is hard to memorize ...

and so it goes on, mainly through practice. Read the instructions carefully - sometimes there's just one word that changes between exercises. The more you improve, the shorter the dots and strokes can ...