Expo Blog

The Expo Blog is a space for posts on the history, themes, legacies and experience of Expos. It includes articles from the BIE and external contributors.

In memory of Alfred Heller, dean of American Expo writers

In memory of Alfred Heller, dean of American Expo writers

Alfred Heller, dean of American Expo writers, died in December 2019 at the age of 90. Alf had attended almost every Expo since his first, the 1939-40 Golden Gate International Exposition in his native San Francisco. He was a mentor to many of us who write on the subject. From 1981 to 1995, he published World Fair magazine, and he authored his personal memoir of Expo history and his observations, “World’s Fairs and the End of Progress: An Insider’s View,” published in 1999.

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A to Z of Innovations at Expos: X-ray machine

A to Z of Innovations at Expos: X-ray machine

Taking place in the world’s largest economy and in midst of the second industrial revolution, World Expo 1904 St. Louis introduced many new technologies and innovations to the public. One of these innovations was the X-ray machine, a fledgling technology that has revolutionised healthcare.

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Covid-19 has closed the Space Needle, but it's still a beacon for Seattle

Covid-19 has closed the Space Needle, but it's still a beacon for Seattle

The iconic symbol of the future now stands in solidarity with our isolation.

We’re 20 years into Century 21 — the theme of the Expo 1962 Seattle – and while some wild ideas were presented at that forward-thinking event, we never imagined the future would look quite like this.

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A to Z of Innovations at Expos: Washing machine

A to Z of Innovations at Expos: Washing machine

Most modern products are the result of years of continuous innovations. The washing machine is one such product. For years, innovators have been looking into this household chore to save time, energy and water. One of these innovators, Richard Lansdale, took the opportunity to showcase his creation – the Compound Rotary Washing Machine – at World Expo 1862 in London.

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A to Z of Innovations at Expos: Voice recognition

A to Z of Innovations at Expos: Voice recognition

In 2020, voice recognition technology can be used by anyone with a smartphone. Back in the 1960s, the idea of a human operating a machine by using vocal commands seemed like science fiction. Visitors to World Expo 1962 Seattle – the Space Age Expo - were therefore amazed by IBM’s Shoebox – an early computer that responded to voice controls.

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