123456

Revolutionary inventions

By camilosebastian
  • 3500 BCE

    The Wheel

    The Wheel
    Wheels were not only used on vehicles in prehistoric times; they were also used in pulley systems. Surprisingly though, the application of wheels was not primarily used on carts or carriages.
  • 206 BCE

    The Compass

    The Compass
    Throughout the history, humans had an unquenchable thirst for exploring the unknown. But it wouldn’t have been possible without knowing the reference points that helped in identifying the geographical location.
  • 45 BCE

    Calendar

    Calendar
    The first form of the calendar used by Egyptians was the solar calendar. Then, Julius Caesar brought the Julian calendar that used a 12-month system.
  • 725

    Clock

    Clock
    Time is something that helps us keep track of everything. Humans didn’t invent clock as such, as it was a redesign of the sundial.

  • Vaccines

    Vaccines
    Vaccines have helped us in curbing a ton of life-threatening epidemics. It was estimated that nearly 500 million deaths were registered because of smallpox alone.

  • The Steam Powered Train

    The Steam Powered Train
    The first successful steam engine locomotive was built by George Stephenson in 1814. George Stephenson built the steam engine based on the design by John Blenkinsop.

  • Refrigerator

    Refrigerator
    The first vapour-compression refrigeration cycle was put forward by Jacob Perkins, who is also known as the father of refrigeration. His refrigeration machine, built in 1834, was based on the theory put forward by Oliver Evans.

  • Steel

    Steel
    Steel is one of the most commonly used building materials. It triumphs over iron and other costly building materials by a great margin. The weight to strength ratiomade steel a preferred choice of builders over other materials.

  • Electric bulb

    Electric bulb
    The efforts to create a lightbulb started in around 1800s. But the inventions back then were not sustainable as the filament broke after a few days of use.

  • Computer

    Computer
    Computers are one of humanity’s greatest inventions without a doubt. Primarily built for doing complex mathematical calculations, the computers of the past have evolved into machines that can be used to chart the movement of stars and rocks in space in advance.