Months Common milestones Months Common milestones

Dating milestones, baby development: 12-18 months

After rubbing the amber, which created a static electric charge, other light objects such as straw or feathers stuck to the amber.

1. Discovery of Electricity (600 BC)

Posted by Smashing Lists 2 Comments Long before any knowledge of electricity existed people were aware of shocks from electric fish. The relay was invented in by Joseph Henryan American scientist.

The inventor Thomas Alva Edison experimented with thousands of different filaments to find just the right materials to glow well and be long-lasting.

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Like most stories, however, there is a lot more behind the creation of this important and ubiquitous object than just Mr. It made modern telegraphy possible and evolved into the repeater- thus the relay- a remote controlled switch, was in effect the first Electronic device, though not anything involving crystals, diodes, vacuum tubes etc.

When he connected wires to his battery and a piece of carbon, the carbon glowed, producing light.

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Edison eventually produced a bulb that could glow for over hours. We all ask our friends, "When did you know your partner was The One? InWilliam David Coolidge invented a tungsten filament which lasted even longer than the older filaments. He was also the first person to use the terms electric force, magnetic pole, and electric attraction.

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Much later, inthe English physicist Sir Joseph Wilson Swan was determined to devise a practical, long-lasting electric light. William Gilbert was a pioneer of the experimental method and the first to explain the magnetic compass.

The first electric light was made in by Humphry Davyan English scientist. We think that Thales noticed static electricity from polishing amber with a piece of wool or fur.

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The study also sheds some light on that all-important six-month mark, suggesting that this is when three major relationship milestones take place: Thales from Miletus ? Kate Taylor, dating expert for Match, said: During his discoveries, he invented this machine that for the first time produced electricity — yes static electricity.

This is called an electric arc. However the first electric motor was invented by Michael Faraday.