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Drone Taxi anyone?
The next big physics-constrained aviation crash challenge the FAA has to figure out will be drone-inspired Urban Air Mobility EVTOL vehicles. Those won’t have cabins suspended from a central rotor blade with auto rotation capability, so when active attitude control is lost, random tumbling will take over. Imagine tumbling toward the earth in your malfunctioning EVTOL “taxi”…
Comment on How Long Does Bluetooth Headset Battery Last? by Grepow
The Bluetooth headset is a very popular electronic product. Because of the need to charge, many people are also worried about its battery life. How long is the battery life of the Bluetooth headset? The battery life of the Bluetooth headset is mainly related to the quality of the battery. Generally, the battery of the…
How to Prolong Your Lithium Polymer Batteries | Battery Monday
In this issue, we are going to discuss the challenges of Lithium Polymer batteries especially since they suffer from a shorter life if not cared for properly. Luckily, it’s easy to make sure your Lithium Polymers last as long as they should, allowing you to save on money and the hassle. When should you charge?…
Comment on Why Do Lithium Batteries Go Bad? by Grepow
This is a general and most asked question in the globe. We usually purchase lithium batteries and expect them to last for the desired period. The estimated life of lithium batteries is about two to three years of about 300 to about 500 charge cycles. But sometimes, this might not be the circumstance the lithium…
Sewing?
Sewing to begin with. Question:I want to sew HDPE(high-density polyethylene) Commercial 95 (340gsm), Coolaroo (240gsm), or even Marine/Awning Grade Sunbrella (339gsm) fabrics, for sun cover over patio and boat tarps and bimini tops with this machine do the job? SINGER 64S Heavy Duty Mechanical Sewing Machine – Certified Refurbished ($140) Answer:The SINGER 64S Heavy Duty…
