The energy for the battery does not come from the lemon, but rather the chemical change in zinc (or other metal). The zinc is oxidized inside the lemon, exchanging some of its electrons in order to reach a lower energy state, and the energy released provides the power. The lemon merely ...
How does a battery really work? Where does the power in a battery actually come from? Let's take a closer look! Here's my battery hooked up to a flashlight bulb to make a simple circuit. I've unwrapped a paperclip to make a piece of connecting wire and I'm holding that between th...
So exactly how fast does your brain work? Well, imagine this: a bee lands on your foot.Neurons in your skin send this information to your brain at a speed of more than 240 kilometers per hour.Your brain then uses other neurons to send the message back to your foot to shake the bee...
How do antiarrhythmics work? How does a blood pressure transducer work? How does a strain gauge pressure transducer work? How does a seismograph work? How is a pressure transducer calibrated? How does a heat shock work? How does a differential pressure transducer work?
How does the olfactory bulb work? Why does air have pressure? How do convection currents work? How does a torque transducer work? How does the Tevatron work? How do air masses affect climate? How does an analog multimeter work? How do hailstones remain suspended in a cloud?
How Do Smart Light Bulbs Work Several Ways to Control a Smart Bulb What is a Smart Bulb What does smart bulb, a frequently referred term, actually mean? By definition, smart light bulbs are, in short, remotely controllable lighting devices. One of the differences between normal bulbs and sma...
If you need to have your meter changed, moved, or adjusted, you must work with your utility to get that work done. How Does an Electric Meter Work? You’ve probably stared at the spinning numbers on a power meter and wondered, "What does an electric meter do, and how does it calcula...
How does the frost-free function affect the energy consumption of a refrigerator? The frost-free function increases energy consumption due to the periodic activation of the heating coils to defrost the freezer, but it offers the convenience of not having to manually defrost the freezer. Is manual...
How Light Bulbs WorkBy: Tom Harris ©2001 HowStuffWorks Before the invention of the light bulb, illuminating the world after the sun went down was a messy, arduous, hazardous task. It took a bunch of candles or torches to fully light up a good-sized room, and oil lamps, while fairly...
The bubble burst when a seller arranged a big purchase with a buyer, and the buyer failed to show. At this point, it was clear that price increases were unsustainable. This created a panic that spiraled throughout Europe, driving the worth of any tulip bulb down to a tiny fraction of i...