Most people visiting Grisslehamn come for the beautiful views of the Swedish archipelago or Engström’s house. While walking around, visitors may stumble upon a wooden hut with strange panels above it. These are not solar panels, but optical shutters. This building is a replica of the optical telegraph that once connected Åland to Stockholm. Grisslehamn was once an important communication hub in Sweden, sending information eastward as fast as possible. At first, this was done orally and with letters, then onto telegraphs and phones, however, there was one strange step in…
