Ethan Clarke
In 2013, Canada introduced new plastic bank notes made of polypropylene. Many Canadians suspected that the bills carried a maple syrup scent, with some even claiming that the notes featured a scratch-and-sniff patch. While the Bank of Canada denied adding any scent to the notes, the incident sparked discussions about olfactory delusions, where people can be convinced they smell something that isn't there. Interestingly, in 2023, some people on a 3D printing subreddit also noted that freshly printed PLA gave off a maple syrup-like scent. Additionally, it's been observed that leaking antifreeze or coolant in cars can emit a sweet smell reminiscent of maple syrup.
| Characteristics | Values |
|---|---|
| Plastic bank notes smell like maple syrup | Rumored, but debunked by the Bank of Canada |
| PLA (3D printing material) smells like maple syrup | Some people think so |
| Leaking antifreeze or coolant smells like maple syrup | True |
| Plastic smells like maple syrup | False, burning plastic has a distinct smell |
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What You'll Learn
Canadian plastic bank notes
In 2011, Canada began transitioning from paper banknotes to polymer banknotes. The last of the paper banknotes were made available in November 2013. The new polymer notes were introduced into circulation between November 2011 and November 2013.
The new Canadian plastic bank notes were met with some controversy. Many Canadians suspected that the Bank of Canada had been circulating a new scent along with its plastic bank notes. Dozens of people contacted the bank in the months after the polymer notes first appeared, asking about a secret scratch-and-sniff patch that apparently smelled like maple syrup. Some people were convinced about the fragrant funds that they complained to bank officials when their new plastic notes were odour-free. One person wrote, "I strongly suggest the Bank increase the strength of the .... maple smell." Another person wrote, "They all have a scent which I’d say smells like maple? Please advise if this is normal?".
However, Bank of Canada official Jeremy Harrison stated that no scent had been added to any of the new bank notes. The Bank of Canada initially withheld all of the public correspondence about the new polymer bank notes, citing privacy concerns. But after an investigation by the information commissioner of Canada, they released a package of material. In dozens of emails and telephone calls, people complained about other aspects of the plastic notes, such as the exclusion of images of women and the notes sticking to one another.
The benefits of using polymer are largely linked to the transportation of notes across the country. Polymer notes have a longer life than paper notes and are then recycled. They have a smaller environmental footprint than paper notes, with at least 30% less environmental impact in every category.
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Leaking antifreeze or coolant
If your vehicle is leaking antifreeze, it is important to address the problem promptly. Antifreeze leaks can lead to engine problems and costly repairs if left unattended. The first step is to check the antifreeze level in your vehicle. If it is low or you find yourself frequently adding antifreeze, there is likely a leak.
To locate the source of the leak, place a large piece of paper under your vehicle overnight. Leaks can occur in various components, such as the radiator, hoses, water pump, or gasket/seal. Manufacturers produce antifreeze in different colors, so you may notice spots of green, orange, blue, pink, or yellow under your car, indicating a possible leak. The sweet smell of maple syrup, as some describe it, is another telltale sign of a coolant leak.
If you suspect a leak, exercise caution when inspecting the engine. Allow the engine to cool down before removing the radiator cap slowly to release any built-up pressure. You can then check for signs of leakage and identify the affected components. It is recommended to have a professional technician diagnose and repair any coolant system leaks to ensure a proper fix.
Additionally, be mindful of the potential causes of antifreeze leaks. These can include poorly tightened hose clamps, worn hoses, damaged radiator caps, or even foreign objects penetrating the radiator. Regular maintenance and timely repairs are crucial to prevent leaks and maintain the overall health of your vehicle's cooling system.
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Burning plastic
In fact, a sweet smell that resembles maple syrup in a car could be indicative of leaking antifreeze or coolant. This is not an emergency but should be addressed by a professional.
In an entirely different context, some people have claimed that Canada's new plastic bank notes smell like maple syrup. However, the Bank of Canada has denied adding any scent to the polymer notes. Some citizens remain unconvinced, with some even claiming that the notes have a secret scratch-and-sniff patch. This phenomenon has been attributed to olfactory delusion, which is often triggered by emotional stimuli, and Canadians are known for their emotional relationship with maple syrup.
In another instance, some people have noted that freshly printed PLA has a sweet smell, reminiscent of maple syrup.
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$42.99 $53.99
3D-printed PLA plastic
While there have been reports of certain plastics smelling like maple syrup, these instances are not related to 3D-printed PLA plastic. In 2013, several Canadians reported that the country's new plastic bank notes emitted a maple syrup scent. However, the Bank of Canada denied adding any fragrance to the bills, and the scent was likely a result of individual perception or other factors.
When it comes to 3D-printed PLA plastic, it is known for being a safer and less odorous option compared to other 3D printing filaments. PLA (polylactic acid) is made from renewable resources such as cornstarch and sugarcane, which means it does not release harmful or strongly scented chemicals during the printing process. While some people may perceive a slight smell when using PLA, it is often described as mild and pleasant, resembling a honey-like fragrance. This is due to its organic composition, and the emitted fumes are considered non-toxic.
However, it is important to note that any 3D printing process can generate fumes, and proper ventilation and precautions are always recommended. While PLA is safer than other materials, long-term exposure to its fumes may still have unknown effects. Therefore, it is advisable to print in well-ventilated areas or designated enclosures with air filtering systems to minimize potential risks.
Some users have reported stronger smells with PLA, but these cases are less common and may be associated with specific printer settings or environmental factors. It is worth mentioning that overheating the printer or filament can result in an unpleasant burnt plastic odour, so maintaining optimal temperature settings is crucial to avoid such issues.
In summary, 3D-printed PLA plastic is generally considered to have a mild and pleasant fragrance, far from resembling the scent of maple syrup. While it offers a safer alternative to other filaments, it is always important to prioritize proper ventilation and safety practices when engaging in 3D printing to safeguard your health and well-being.
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Plastic containers for maple syrup
Brookfield Maple Products also offers Sugarhill "ALL-State" jugs in various sizes. Amazon.com offers maple syrup containers in a variety of materials, including plastic. However, there is no information on the specific type of plastic containers available.
It is worth noting that there have been reports of plastic Canadian bank notes smelling like maple syrup. Dozens of people contacted the Bank of Canada after the polymer notes were released, inquiring about a secret scratch-and-sniff patch. Some people were convinced that the notes had a maple syrup scent, while others complained that their notes were odour-free. Bank officials denied adding any scent to the new bank notes, but many Canadians remained unconvinced.
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Frequently asked questions
No, plastic does not smell like maple syrup. However, some people have noticed a maple syrup-like scent from Canada's new plastic bank notes. Others have also reported a maple syrup smell from freshly printed PLA, a material used in 3D printing.
The Bank of Canada has denied adding any scent to the new bank notes. However, some people believe that heat may have something to do with activating the smell.
A Montreal neuroscientist told ABC News that there is plenty of precedent for olfactory delusion, where people can be convinced that they smell things that aren't there.
Leaking antifreeze or coolant in your car has a sweet smell that some people describe as similar to maple syrup.
