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  2. Timeline of scientific discoveries - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_scientific...

    The timeline begins at the Bronze Age, as it is difficult to give even estimates for the timing of events prior to this, such as of the discovery of counting, natural numbers and arithmetic. To avoid overlap with timeline of historic inventions , the timeline does not list examples of documentation for manufactured substances and devices unless ...

  3. Timeline of historic inventions - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_historic...

    The timeline of historic inventions is a chronological list of particularly significant technological inventions and their inventors, where known. [ a ] The dates in this article make frequent use of the units mya and kya , which refer to millions and thousands of years ago, respectively.

  4. 20th century in science - Wikipedia

    en.wikipedia.org/wiki/20th_century_in_science

    The number and types of home appliances increased dramatically due to advancements in technology, electricity availability, and increases in wealth and leisure time. Such basic appliances as washing machines , clothes dryers , furnaces, exercise machines , refrigerators , freezers, electric stoves , and vacuum cleaners all became popular from ...

  5. List of emerging technologies - Wikipedia

    en.wikipedia.org/wiki/List_of_emerging_technologies

    This is a list of emerging technologies, which are in-development technical innovations that have significant potential in their applications. The criteria for this list is that the technology must: Exist in some way; purely hypothetical technologies cannot be considered emerging and should be covered in the list of hypothetical technologies ...

  6. List of Indian inventions and discoveries - Wikipedia

    en.wikipedia.org/wiki/List_of_Indian_inventions...

    The technology of Jackal steel has been passed on to Steel Authority of India Limited (SAIL) and MIDHANI for its bulk production. High-Rise Pantograph – The new-design world record pantograph, developed completely in-house for use in DFC & other freight routes with height of 7.5 metres (25 ft). [313]

  7. Key events of the 20th century - Wikipedia

    en.wikipedia.org/wiki/Key_events_of_the_20th_century

    By the end of the century, more technological advances and scientific discoveries had been made than in all of preceding history. Communications and information technology, transportation technology, and medical advances have radically altered daily lives. Europe appeared to be at a sustainable peace for the first time in recorded history.

  8. History of technology - Wikipedia

    en.wikipedia.org/wiki/History_of_technology

    Significant advances were also made in military technology with the development of plate armour, steel crossbows and cannon. The Middle Ages are perhaps best known for their architectural heritage: While the invention of the rib vault and pointed arch gave rise to the high rising Gothic style , the ubiquitous medieval fortifications gave the ...

  9. Technological and industrial history of the United States

    en.wikipedia.org/wiki/Technological_and...

    The cotton gin, invented by Eli Whitney, revolutionized slave-based agriculture in the Southern United States.. The technological and industrial history of the United States describes the emergence of the United States as one of the most technologically advanced nations in the world in the 19th and 20th centuries.