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Motores RS-25 do foguete SLS

O foguete movido a oxigênio e hidrogênio que precisa gerar explosões controladas a -250°C sem falhar uma vez sequer

Science and Technology

The Oxygen And Hydrogen-Powered Rocket That Must Generate Controlled Explosions At -250°C Without Failing Once

Valdemar Medeiros 22/06/2025 at 07:32

Most commented

14

Science and Technology

The end of Nokia: the brand that was the cellphone of an entire generation has ended its smartphones, left Brazil, and today survives only in basic phones in India while seeking a new partner.

Noel Budeguer 02/06/2026 at 07:02

6

Interesting facts

Workers were opening a modern road in Dover when they found, 6 meters below the asphalt, a 3,500-year-old boat made of stitched oak and plant fibers.

Flavia Marinho 05/06/2026 at 20:50

3

Interesting facts

Dissatisfied with seeing people sleeping on the street, a man named Ryan Donais started building small mobile homes so that homeless people can escape the cold, each equipped with a bed, running water, electricity, and heating.

Maria Heloisa Barbosa Borges 03/06/2026 at 23:35

2

Consumers eat six times more chicken than in the 1960s, global meat supply quadruples in 60 years, and FAO report reveals the invisible cost on the plate: livestock could drive 80% of the increase in agricultural emissions over the next decade.

Carla Teles 06/06/2026 at 18:29

2

Science and Technology

An Indonesian fisherman pulls a mysterious object from the sea and discovers that it is a Chinese underwater monitoring system, part of the so-called Underwater Great Wall that Beijing uses to track submarines and unmanned vehicles in strategic straits of the region.

Maria Heloisa Barbosa Borges 01/06/2026 at 21:47

2

Science and Technology

Two 17-year-old Kenyans use coconut shells, corn cobs, and recycled materials to create an exhaust filter that reduces 93.3% of pollutant particles and wins an environmental award in Africa.

Romário Pereira de Carvalho 04/06/2026 at 11:41

2

Science and Technology

Man built a 5-acre lake to raise bass, but after 1,000 days the project turned into a wildlife sanctuary with eagles, deer, ducks, owls, and live cameras that transformed the farm into a biodiversity laboratory.

Carla Teles 02/06/2026 at 18:42

Motorcyclist sees excavator arriving at the edge of a river in Bosnia, calls neighbors in minutes and turns a hydroelectric project into a resistance lasting more than 10 years with five expired concessions.
08/06/2026 by Kerry Ness

The residents should be asked whether or not they would…
Couple sells pharmaceutical company, returns to the family’s old farm in Serra da Canastra, and transforms 230 liters of milk per day into sought-after artisanal cheeses, while preserving the house built by the father, decades-old wood, and memories of three generations.
08/06/2026 by NANFuka BEATRICE

Thanks alot. for sharing such awonderful true to life story.
Man built a 5-acre lake to raise bass, but after 1,000 days the project turned into a wildlife sanctuary with eagles, deer, ducks, owls, and live cameras that transformed the farm into a biodiversity laboratory.
08/06/2026 by Uvette

I think this is a wonderful idea. I wish more…
Workers were opening a modern road in Dover when they found, 6 meters below the asphalt, a 3,500-year-old boat made of stitched oak and plant fibers.
08/06/2026 by Nora

People were very clever then I think and they were…
Using high-resolution satellite images, archaeologists rediscovered the Egyptian city of Imet, buried for centuries in the Nile Delta, revealing rare multi-story houses, granaries, and a sacred road linked to the cobra goddess Wadjet, from about 2,400 years ago.
08/06/2026 by Sickened !!!

That's more gold and ancient artifacts for the colonisers to…
Workers were opening a modern road in Dover when they found, 6 meters below the asphalt, a 3,500-year-old boat made of stitched oak and plant fibers.
08/06/2026 by Steven Rodriguez

Problably they treated the wood with some kind of home…
Using high-resolution satellite images, archaeologists rediscovered the Egyptian city of Imet, buried for centuries in the Nile Delta, revealing rare multi-story houses, granaries, and a sacred road linked to the cobra goddess Wadjet, from about 2,400 years ago.
08/06/2026 by Bassem El Masri

Fascinating. The Egyptian cities are missing in the architecture history.…

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