June 28, 2023

Reports and videos of the smoke and haze from the intense wildfires enveloping Canada and drifting down south into the US bring back vivid memories of Australia’s two-month long bushfires (in the Australian vernacular: Canberra is the country’s bush capital) three and a half years ago and floods last year.
You may have seen or heard people “vaping” small appliances having the appearance of large flash drives or fake cigarettes. The technological concept is old and relies on a power source (usually a battery), a cartridge or refillable tank containing liquid and a heating element and vaporizer to combust the

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