inventaron
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inventar

Capítulo 9 explica cómo se inventaron o desarrollaron esas tecnologías.
Chapter 9 tells how those technologies were invented or developed.
Para superar este problema de diseño, se inventaron las particiones extendidas.
To overcome this design problem, extended partitions were invented.
¡Bélgica es realmente el lugar donde se inventaron las patatas fritas!
Belgium really was the place where french fries were invented!
Es por eso que se inventaron los tapones de nieve.
That is why snow plugs were invented.
En 1991, se inventaron las baterías de iones de litio.
In 1991, lithium-ion batteries were invented.
Bueno, ¿sabes por qué se inventaron los pantalones?
Okay, do you know why pants were invented?
Las ruedas de poliuretano no se inventaron hasta 1970.
It wasn't until the 1970's that polyurethane wheels were invented.
Los SUV prácticamente se inventaron para las sinuosas rutas panorámicas de Maui.
SUVs were practically invented for Maui's winding scenic roads.
Es a causa de que estos modos entrelazados se inventaron en primer lugar.
It is because of this that interlaced modes were invented in the first place.
Bueno, para eso se inventaron los paracaídas.
Well, that's why they invented parachutes.
En nuestro continente se inventaron y desarrollaron creadoramente fuerzas tecnológicas que cambian al mundo.
In our hemisphere, technological forces were invented and developed that changed the world.
Las Stroopwafels, esas deliciosas galletas holandesas rellenas de caramelo, también se inventaron aquí.
Stroopwafels, the delicious Dutch snack, were invented here, too.
Que es por lo que se inventaron los adultos.
Which is why grown-ups were invented.
Quizás por eso se inventaron los domingos.
Maybe that's the reason the Lord invented Sunday.
Sé que ya se inventaron las cercas eléctricas, pero quiero hacer la mía.
But I know electric fences are already invented, but I want to make mine.
También se inventaron nuevos tipos de transductores (generadores y receptores de energía acústica).
New kinds of transducers (generators and receivers of acoustic energy) were invented and put to use.
Los hornos con corrientes de aire forzado se inventaron para alcanzar las altas temperaturas requeridas para la fundición.
Furnaces with forced-air drafts were invented to reach the high temperatures required for smelting.
Cuando se inventaron las computadoras, este estricto y agradable sistema de prefijos métricos se descompuso al principio.
When computers were invented, this strict and nice system of metric prefixes was at first distrupted.
Es evidente que los fitoestrógenos no se inventaron para que ejercieran una función fisiológica en un mamífero.
Clearly a phyto-oestrogen was never invented to have a physiological function in a mammal.
Para eso se inventaron las librerías.
That's the reason why libraries exist.
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