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Ontario's got (bio)gas — and there's plenty more where it came from


HAMILTON If you drive down the Burlington Skyway into Hamilton, you might notice a large globe poking out above the wastewater-treatment plant. Painted to look like the Earth, it’s the gas tank for a generation unit that has been turning wastewater sludge into a renewable energy source biogas for more than 15 years. 
While biogas projects can be complicated to pull off, advocates say they’re good for the environment and the economy and they’re gaining ground in Hamilton and Niagara.
Biogas is a mix of gases produced when organic matter breaks down in a low-oxygen environment through a process known as anaerobic digestion. It has typically been used to generate electricity, but newer projects are using it to produce renewable natural gas for use as fuel.  ....

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UW researchers developing 20-minute COVID-19 spit test


Posted: Apr 30, 2021 9:00 AM ET | Last Updated: April 30
The COVID-19 test is a paper device that partially turns red if the virus is detected. (Submitted by Sushanta Mitra)
 A team of researchers at the University of Waterloo is developing a biodegradable COVID-19 test that can deliver results in less time than it takes to watch a sitcom. 
The team is working on a paper device that can be spat on, as opposed to a swab inserted through the nose or down the throat, said researcher Sushanta Mitra. 
Mitra is co-lead researcher of the project, run by the Waterloo Institute for Nanotechnology, where he is executive director. ....

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Adding speed to COVID-testing


Date Time
Adding speed to COVID-testing
Researchers at the University of Waterloo are developing a new COVID-19 test that can be administered at home using saliva, aiming to deliver a positive or negative result in less than 20 minutes.
It’s a possible solution to the current delays in receiving test results and a much more pleasant option for those requiring frequent tests, researchers said. They hope the tests will become available over the counter at pharmacies across Canada.
“The use of paper devices coated with nanoparticles for COVID detection is a game changer.
Right now, COVID tests can take two to three business days to come back, and we know that’s too long,” said Sushanta Mitra, Professor of Mechanical & Mechatronics Engineering and co-lead researcher on the project. “This test will provide an immediate positive or negative so that folks who are infected can isolate immediately.” ....

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Compressed air, flywheels and more: Energy storage solutions being tested in Canada


A plant in a former salt mine in Goderich, Ont., billed as the
world s first emission-free compressed air facility. It can feed 10 megawatts of power into the grid for up to five hours.
A smaller demonstration that
Flywheels
Flywheels (or rotors) spin at very high rates (up to 50,000 revolutions per minute), typically in a vacuum so air friction doesn t slow them down. Power is stored as kinetic energy by using a motor to accelerate the flywheels, and energy can be discharged by reversing the process so the flywheel drives a motor or some other electrical generation device.
While this can happen very quickly compared to other types of energy storage, flywheels are not good for long-term storage, but work well to balance supply and demand on a short-term basis. ....

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