Teeth and Trams: Harold Hodges' Opal Teeth →

Harold Hodges was an entrepreneur, innovator and businessman from Lightning Ridge, NSW, Australia. In 1971, he had a set of dentures made from black opal, Lightning Ridge's unique export. This is the story of Harold, his dentures, and how they ended up one of the most prized items in the opal and mining heritage collection of the Australian Opal Centre.

Harold Hodges was an entrepreneur, innovator and businessman from Lightning Ridge, NSW, Australia. In 1971, he had a set of dentures made from black opal, Lightning Ridge's unique export. This is the story of Harold, his dentures, and how they ended up one of the most prized items in the opal and mining heritage collection of the Australian Opal Centre.

Australian Opal Centre on Facebook: http://www.facebook.com/AustralianOpa...

Mazes and Mineshafts →

In which we visit a meditation maze -- that's not a maze, and a mineshaft that's a piece of history.

In which we visit a meditation maze -- that's not a maze, and a mineshaft that's a piece of history. Infinite thanks to Barbara Moritz of the Lightning Ridge Historical Society. Stay tuned for more videos on varied subjects in the near future.

Infinite thanks to Barbara Moritz of the Lightning Ridge Historical Society.

Extras: The Secret Weapon of Crayfish

The first IDU video, The Secret Weapon of Crayfish, was shot in late 2015. Here are a few extra photos:

A spectacularly gorgeous yabby button preserved in gem quality crystal opal. This thing is huge, and would have come from a massive crayfish. This pieces is on display at the Australian Opal Centre's showroom in Morilla Street, Lightning Ridge.

A spectacularly gorgeous yabby button preserved in gem quality crystal opal. This thing is huge, and would have come from a massive crayfish. This pieces is on display at the Australian Opal Centre's showroom in Morilla Street, Lightning Ridge.

A petri dish of smaller yabby buttons, many with opal colour.

A petri dish of smaller yabby buttons, many with opal colour.

"Yabby Buttons" made of yabby buttons. This was intended to be part of the intro graphic for the IDU episode, along with a timelapse of its construction, but ultimately wasn't used. It does appear on the YouTube video thumbnail, though! You can see …

"Yabby Buttons" made of yabby buttons. This was intended to be part of the intro graphic for the IDU episode, along with a timelapse of its construction, but ultimately wasn't used. It does appear on the YouTube video thumbnail, though! You can see the gorgeous gem-quality crystal yabbby button on the left. What a thing!

The secret weapon of crayfish →

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I spoke to Dr. Elizabeth Smith at the Australian Opal Centre in Lightning Ridge about how these bizarre stony lumps inside the head of a crayfish allow the creature to grow as it matures.

I spoke to Dr. Elizabeth Smith at the Australian Opal Centre in Lightning Ridge about how these bizarre stony lumps inside the head of a crayfish allow the creature to grow as it matures. For more information on the Australian Opal Centre, you can visit their Facebook page: https://www.facebook.com/AustralianOpalCentre/ Special thanks to Dr. Elizabeth Smith and the Australian Opal Centre.

For more information on the Australian Opal Centre, you can visit their Facebook page: https://www.facebook.com/AustralianOp...