Inventions

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Across
  1. 3. This was invented first, before 3D printers
  2. 6. This was invented first, before bionic feet
  3. 8. This was invented first, before solar chargers
Down
  1. 1. This was invented first, before hoverboards
  2. 2. These were invented first, before earbuds
  3. 4. This was invented first, before the PS5
  4. 5. This was invented first, before USB sticks
  5. 7. This was invented first, before mini-drones