Belgian inventions

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Across
  1. 6. Instrument that carries the name of an Belgian inventor
  2. 7. Blue, tiny and globally famous comic characters
  3. 8. A young reporter who travels the world but never ages
  4. 9. A digital image format developed by a Belgian engineer
Down
  1. 1. A chocolate filling
  2. 2. A material revolutionized by a Belgian born chemist
  3. 3. Claimed by many, but fiercely defended by the belgians
  4. 4. A road surface tied to a Belgian engineer
  5. 5. The shape depends wether you are in Brussels or Liege