A previous Design Idea describes an astable multivibrator that gets hysteresis from the positive feedback stage using a technique you can characterize as positive-capacitive feedback (Reference 1). It ...

A new bike-powered generator can help cyclists power their lives, “one pedal at a time”. The Siva Cycle Atom clips directly to your bike and harnesses your pedal-pushing energy, storing it in a ...

Bicycle-powered generators aren't new concepts by any stretch, but they frequently generate AC power and sometimes can't charge at all when the pedaling stops. Siva Cycle doesn't think either ...

A whole-house generator can keep your home comfortable and safe during power outages, but only when it is installed and used correctly. Because these systems run on fuel and connect directly to your ...

It seems that no matter how new your smartphone is, battery life is never efficient. After all, when your phone is filled with features and apps, it’s hard to not use them all day long, but strapping ...

If you often lose power where you live, whether because of seasonal storms such as hurricanes or due to problems with the electrical grid, having a whole-house generator can be very convenient. It ...

There are generators with enough power for home backup that roll on wheels and technically are portable. But when we talk about “portable generators” we’re usually referring to models that are small ...

Harbor Freight, a giant retailer of low-priced tools and power equipment, has been around since the 1970s. If you live near a Harbor Freight store, chances are you’ve received a circular comparing the ...

When a power plant experiences issues with performance, the obvious indicators are usually a loss in load capacity or an increase in fuel consumption. However, other issues exist that can be costly, ...