Morse code

Telegraph Chess: A 19th Century Tech Marvel
kakameo
On 18 November 1844, the Washington Chess Club challenged its counterparts in Baltimore to a match. Two teams were organized, ...

Study: Bumblebees Can Be Trained to Read Simple ‘Morse Code’
kakameo
Bunny-tailed bumblebees (Earth bomb) They can decide where to forage based on different durations of visual cues, according to a ...






