An hourglass tells you what it is in the name — a glass that you use to measure an hour of time passing by. [EDISON SCIENCE CORNER] has built a digital project that mimics such a thing, with little ...
Rick] had a problem. His garage refrigerator was tasked with a critical duty—keeping refreshing beverages at low temperature.
A pulse oximeter measures blood oxygen levels at home and in healthcare settings. Abnormally low readings on a pulse oximeter might require medical care, especially if they are below 92%. Skin color ...
The American Cancer Society says self-collection methods for cervical cancer screening are now acceptable as pap smear alternatives for people aged 25 to 65. Women may pursue self-collection methods ...
If you have trouble breathing, your doctor may recommend a few tests to figure out what’s causing it. Some measure how much air you breathe in or out or how much oxygen is going from your lungs to the ...
Optical sensors are a broad class of device for detecting light intensity. This can be just a simple component for notifying when ambient light levels rise above or fall below a prescribed level, or a ...
I realize that library name changes are generally discouraged, and I’ve avoided requesting them since learning about the long-term implications. However, this library was one of my earliest ...
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