How a small device called a pulse oximeter measures blood oxygen levels

A pulse oximeter is a device that clips on your finger, toe, or earlobe to measure blood oxygen saturation. Here's how it ...

How to use a peak flow meter to monitor your asthma or COPD

A peak flow meter is a handheld device that measures airflow rate and can help those with respiratory conditions like asthma ...
AJ Restorations on MSN

Restoring and Testing a Spark Plug for Fun

I restored a sparkplug for fun – you won’t believe the results! #SparkplugRestoration #FunProject #UnbelievableResults ...

-Smoking tied to COVID-19 risk; oxygen meter may help home patients

The following is a roundup of some of the latest scientific studies on the novel coronavirus and efforts to find treatments and vaccines for COVID-19, the illness caused by the virus.
YouTube on MSN

"Recycle Your Old Spark Plugs for Cash and Go Green!"

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