• Impact on societyYear of invention: Alessandro Volta

• How it works (briefly): Produces electricity through a chemical reaction between different metals and an electrolyte.

• Impact on society: essential for electronics.

https://www.aps.org/archives/publications/apsnews/200603/history.cfm

• Inventor/scientific team: Thomas Edison

• How it works (briefly): Heated filament glows

• Impact on society: long-lasting lighting

https://fi.edu/en/science-and-education/collection/edisons-lightbulb#:~:text=By%20January%201879%2C%20at%20his,delayed%20the%20filament%20from%20melting.

• Inventor/scientific team: Alexander Graham Bell

• How it works (briefly): Converts sound to electric signals

• Impact on society: Instant voice communication

March 7 - Alexander Graham Bell." Library Alexander Graham Bell." Library of Congress, https://www.loc.gov/item/today-in-history/march-07/. Accessed 10 Apr. 2025.

• Inventor/scientific team: Michael Faraday

• How it works (briefly): Turns motion into electricity

• Impact on society: Powers cities and homes

https://www.rigb.org/explore-science/explore/collection/michael-faradays-generator

• Inventor/scientific team: Michael Faraday

• How it works (briefly): Turns electricity into motion

• Impact on society: Runs machines and appliances

https://nationalmaglab.org/magnet-academy/history-of-electricity-magnetism/museum/faraday-motor-1821/

• Inventor/scientific team: William Stanley

• How it works (briefly): Changes voltage of current

• Impact on society: Sends electricity long distances

https://edisontechcenter.org/Transformers.html

• Inventor/scientific team: Guglielmo Marconi

• How it works (briefly): Sends signals through waves

• Impact on society: Wireless communication

https://artsandculture.google.com/story/guglielmo-marconi-the-radio-and-wireless-transmission-museo-nazionale-della-scienza-e-della-tecnologia-leonardo-da-vinci/HQUxmQk00IobIg?hl=en

• Inventor/scientific team: Bell Labs

• How it works (briefly): Controls current flow

• Impact on society: Basis of computers and electronics

https://www.computerhistory.org/siliconengine/invention-of-the-point-contact-transistor/

• Inventor/scientific team: Bell Labs

• How it works (briefly): Turns sunlight into electricity

• Impact on society: Clean, renewable energy

https://www.aps.org/apsnews/2009/04/bell-labs-silicon-solar-cell

• Inventor/scientific team: Various modern teams

• How it works (briefly): Transfers power through air

• Impact on society: Cord-free charging and energy use

https://medium.com/light-years/from-nikola-tesla-to-the-21st-century-how-wireless-electricity-is-the-future-of-how-we-use-power-52e772a4e344