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Recognizing Australian Inventions

Published October 19, 2026 | Read time 2 min read

By Sydney Stewart

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The Royal Australian Mint is celebrating Australian inventions with its new Bright Ideas collection.

The collection includes five $1 coins that depict five prominent Australian inventions: the stump jump plow, the black box flight recorder, the jaffle maker, the baby safety capsule (better known as a car seat in America), and wireless local area network (WLAN) technology. A proof $2 coin features all five inventions, with a light bulb in the center. The legend AUSTRALIAN INVENTIONS also appears above.

At the time of this writing, the five-coin Australian inventions set is already sold out. However, the seven-coin collection, which includes the proof $2 coin, all five uncirculated $1 coins, and a colored version of the black box flight recorder coin, is currently available for US$111 on the Royal Australian Mint’s website. Additionally, the $2 proof coin can be purchased separately for US$45.

Australian Inventions 

The stump jump plow was an innovative piece of farming technology. (Photo: Royal Australian Mint)

Created in 1876 by Richard Bowyer Smith and Clarence Herbert Smith, the stump jump plow is a piece of farming equipment that helped make plowing faster and more efficient. 

Dr. David Warren invented the black box flight recorder. (Photo: Royal Australian Mint)

In 1953 Dr. David Warren invented the black box flight recorder, which records data and voices from cockpits. The near-indestructible device helps investigators learn more about the activity that occurred prior to a plane crash.

The jaffle maker is an innovation on Dr. Ernest Smithers’s sandwich toaster. (Photo: Royal Australian Mint)

Dr. Ernest Smithers first created a sandwich toaster in 1949 to heat bread and fillings over a fire. Then, in 1974, the appliance company Breville reimagined the invention with its electric Snack ‘n’ Sandwich Toaster, commonly referred to as a jaffle maker.

The Baby Safety Capsule helped protect infants in cars. (Photo: Royal Australian Mint)

Bill Bowtell, Bob Heath, and Colin Nagel created the Safe-n-Sound Baby Safety Capsule in 1984, helping to advance infant safety in cars. 

WLAN technology allows devices to communicate wirelessly. (Photo: Royal Australian Mint)

Australia’s national science agency, CSIRO, first developed WLAN in 1993, allowing devices to communicate wirelessly.

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