Battery Basics
Which Battery Should I Use in My Drone?
Power-to-weight energy density is a critical factor for drones, and indeed all other types of…
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Battery Basics
Battery Basics
Lithium Battery Recycling For The Environment
The lithium battery industry has been under pressure to recycle used batteries for their scarce…
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Recapping Some Aspects of COVID-19 Spread
We decided it was time to revisit coronavirus basics again, after spending time on some…
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US Kids Aged 5 to 11 Now Eligible for Vaccines
Centers for Disease Control announced US kids aged 5 to 11 are now eligible for…
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COVID Back-to-Basics to Protect Yourself
There’s a Delta virus surge in many places as we write. But that’s largely down…
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Transmission from a Distance Is More Likely
Slate.Com has a reputation for publishing counter-intuitive pieces that challenge convention. That’s because it wants…
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COVID-19 Infection Through the Air is Key
Three distinguished scientists are on the campaign trail to prove managing COVID-19 infection through the…
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COVID Advice for Senior People, As We Age
We’re all getting a little older as we age. Things don’t work as well as…
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Advice for Beach Goers during Virus Spread
A beach can look so pristine it’s hard to imagine it could harbor a coronavirus.…
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Special Precautions for Elders during Covid-19
It’s a tragic, sometimes overlooked fact 80% of U.S. Covid-19 deaths are 65 years old…