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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 aircraft. Operators need to achieve…
Denmark Is Pausing COVID-19 Vaccinations
Denmark announced a temporary pause in COVID vaccinations on April 27, 2022. This is the next step in declaring the…
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Battery Basics
Anode and Cathode Making a Perfect Pair
Every battery we know has an anode, a cathode, some electrolyte, and a case enclosing it. The anode and cathode…
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Vacuum Tube Batteries in Bygone Times
Electronic circuits in radios and television sets were bulkier before the fully electronic era arrived. Old timers among us may…
Battery Basics
A Longer Battery Life for Your Phone
Don’t we all wish our phone batteries would last forever? No, not just in terms of days between charges, but…
Battery Basics
Powering Electric Vehicles with Phones
Using electrical vehicles to power homes during outages is hot news, and we could use them to recharge our phones…