We are Cryptographers
As part of our computing topic, we are learning about coding. Before we have begun using the ICT equipment we have been finding out about the different way codes can be sent.
This week we have learnt about Semaphore.
Flag semaphore is the telegraphy system conveying information at a distance by means of visual signals with hand-held flags, rods, disks, paddles, or occasionally bare or gloved hands. Information is encoded by the position of the flags; it is read when the flag is in a fixed position. Semaphores were adopted and widely used (with hand-held flags replacing the mechanical arms of shutter semaphores) in the maritime world in the 19th century.
Can you work out what this message says?
We had great fun making our own flags before trying to send messages to our friends.
I love the colourful flags and the fact that Max is learning all different forms of communications. Let's hope he doesn't start asking for his tea in semaphore. He could be hungry for quite a while as I am completely rubbish!
ReplyDeleteMax's mum