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Vacuum packaging is a technique for extending the shelf life of foodstuffs. It is very useful to avoid wasting food or eating it in bad condition.
Photo: https://mujeresconciencia.com/2018/05/01/conservando-alimentos-con-amanda-jones/ -
The light bulb is one of the most important inventions of this time. It allowed people to have light in their houses and streets without candles, that were dangerous and could cause fires.
Photo: https://www.lamparas.es/bombillas/1525-bombilla-edison-1910globo125-8435151060757.html -
The dishwasher is an invention that allows us not to wash all our dishes by hand but to do it by itself. In addition to saving us an effort, we also use less water when we use it.
Photo: https://viambox.com/lavavajillas-o-lavaplatos-electrico/ -
The camera already existed but this new version made it easier for people of normal status to use it. At the time it cost $25 and took up much less space than usual.
Photo: https://www.elconfidencial.com/tecnologia/2022-07-23/las-mejores-camaras-fotograficas-iphone_3459084/ -
This type of syringe was a breakthrough in medicine as it could be used without the help of an assistant and was disposable.
Photo: https://steemit.com/cervantes/@tanita249/mujeres-que-cambiaron-el-mundo-cap-01-letitia-mumford-geer -
Aspirin is a medicine that is still widely used. It was and is very important because it helps with fever, pain, inflammation, blood clots and more...
Photo:
https://es.m.wikipedia.org/wiki/Historia_de_la_aspirina -
Airplanes were kinda an improvement on trains. They were faster and could fly over the sea but i guess they were expensive.
Photo: https://es.m.wikipedia.org/wiki/Hermanos_Wright -
The windscreen wipers were very useful for the drivers of the time, who had to open the window or even get out of their cars to clean the front window to see.
Photo: https://blogs.20minutos.es/yaestaellistoquetodolosabe/el-origen-del-limpiaparabrisas/ -
Plastics are very polluting but they are still everywhere. It is a material that can replace many others and it is also cheap.
Photo: https://historiamateriales.ubuinvestiga.es/plasticos/ -
This invention made it more comfortable for women to wear bras instead of corsets, which were much larger and more uncomfortable. In fact, Caresse was inspired by trying to hide one of these.
Photo: https://elrincondeika.es/mujeresconhistoria-de-mary-phelps-jacobs-a-caresse-crosby-la-creacion-del-sujetador-y-la-liberacion-de-la-mujer/