Whilst electricity is an integral section of our everyday life, some modern day technologies do not have to have electrical energy to operate. These technologies rely on other energy sources, these kinds of as mechanical energy, photo voltaic energy, or kinetic electrical power, to work. In this report, learn how seven present day technological innovation illustrations perform without the need of energy.
One particular usual instance of know-how that does not involve energy is solar-run calculators. These calculators are run on solar cells, which transform sunshine into electricity. The calculator can be powered in lower mild many thanks to the solar cells, which are normally integrated into the calculator’s display screen. Calculators driven by photo voltaic energy are routinely used outside, with restricted obtain to electricity.
Solar-driven calculators released the community to inexperienced strength a lot of yrs in the past: https://t.co/W2aza1LJtt
— Countrywide Geographic (@NatGeo) February 26, 2016
Mechanical watches count on the energy made by a wound spring. Since of their precision and longevity, mechanical watches have been made use of for centuries and are nonetheless commonly made use of today.
The watch’s motion is pushed by winding the spring, which retailers the energy introduced when the spring unwinds. The mechanical movement’s excellent, affected by the watch’s design and style and the watchmaker’s expertise, determines how correct the timepiece will be.
One more illustration of know-how that does not need a connection to an electric electric power source is a wind-up radio. These radios are run by a hand-cranked spring mechanism that powers a small generator to deliver electric power. The radio’s circuitry and speakers are powered by the electricity created. Wind-up radios are normally employed in emergencies or spots with perhaps restricted obtain to electricity.
In Sudan, @unamidnews has dispersed solar wind-up radios to susceptible communities, encouraging them access daily life-saving data.
— United Nations (@UN) January 30, 2020
Drinking water-run clocks
Clocks jogging on h2o are a scarce technological innovation that doesn’t will need electrical power. These clocks are run by the power created by the movement of drinking water. The ancient Greeks designed the first water-powered clocks extensively utilised in medieval Europe.
The fat and float of the clock are connected via a cable to operate it. The body weight moves the clock, whilst the float controls the water circulation to preserve the timepiece correct.
Bicycle-powered generators are an unusual instance of engineering that does not involve a connection to an electric ability output. These turbines are powered by pedaling a bicycle, which drives a modest generator to develop electrical power.
This is wherever it all really commenced: Soichiro Honda’s first bike in 1946, a bicycle powered by WW2 army generator. Termed the Putt Putt pic.twitter.com/KfwJfwPlMh
— Mat Oxley (@matoxley) Oct 14, 2016
The generated electrical energy can ability a variety of devices, like lights, enthusiasts and radios. Bicycle-driven generators are routinely applied in isolated areas or scenarios in which electric power obtain may possibly be constrained.
Hand-cranked flashlights use the hand crank to create energy, which powers the flashlight. The minor battery that suppliers the produced energy powers the flashlight’s LED bulb. Hand-cranked flashlights are usually applied in emergencies or sites where by obtain to electricity may be scarce.
Just one-of-a sort technological know-how that doesn’t call for energy is gravity-run lighting. In these lights, gravity powers an LED light resource that can create up to 20 minutes of mild per cycle. A generator that costs a battery is driven by the weighted cord that the lamp pulls.
1⃣ I check out to continue to keep up with environmentally preferable products tech, but this one particular was new to me: gravity-driven lamps.
They are specially suited for off-grid areas exactly where it could be challenging to use a (significantly less expensive!) solar-run lamp.
— Ronald Steenblik (@RonSteenblik) March 4, 2022
The battery’s saved vitality then powers the LED bulb. Gravity-driven lamps are beneficial in sites the place access to electricity could be constrained, these types of as in rural villages or for the duration of ability outages.