INVENTIONS - LIGHT BULB

Invention - Light Bulb

The light bulb is one of the inventions that revolutionized history. On October 21, 1879.

Inventions - Light Bulb

12''-14''

Tomas Alva Edison first showed the electric lamp with a light bulb that was on for 48 hours On New Year's Eve of that same year, Edison presented in his laboratory in New Jersey a circuit made up of 40 incandescent light bulbs which he turned on and off to the amazement of the more than 3000 people who gathered.

Inventions - Light Bulb

14''-17''

The principle of operation of a light bulb is the same as that of a torch. This is based on the heating of a metal, which in this case is tungsten, which due to the Joule effect, becomes incandescent and begins to radiate light .

Inventions - Light Bulb

17''-20''

The Joule effect is the dissipation of energy due to the resistance offered by certain materials to the passage of electric current. In the case of tungsten, electrical energy is dissipated into light energy. Thus, when the bulb is connected to the electrical network, energy begins to circulate through the tungsten filament. Due to the resistance it offers, the energy begins to transform into light energy.

Inventions - Light Bulb

22''-24''

• Cover glass: Glass that covers the filament.
• Filament: Tungsten thread that transforms electrical energy into light.
• Base
• Foot contact: Where the electric current that passes through the filament arrives and leaves.

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• Generate experiences with your content.
• It’s got the Wow effect. Very Wow.
• Make sure your audience remembers the message.