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micro usina

Usina hidrelétrica, conta de luz, Curitiba, engenheiros

Renewable Energy

Small Hydroelectric Plant Developed by Mechanical Engineers in Curitiba Promises Drastic Reduction in Electricity Bill

Valdemar Medeiros 18/12/2022 at 19:59

Most commented

15

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

5

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

Interesting facts

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.

Bruno Teles 06/06/2026 at 20:17

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

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.
09/06/2026 by Adewumi Abimbola Olamide

Nokia 3310 was a good product, durable and long lasting…
China is designing a container ship with a thorium nuclear reactor that will operate for 40 years without refueling, and the 25,000-container giant from Jiangnan Shipyard will cross oceans without emitting carbon in an industry that burns 300 million tons of fuel per year.
09/06/2026 by Tex

Way to go, China! 👏👏👏
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.
09/06/2026 by Miss B

Earth-bag & Dome homes would be ideal, affordable, inclement weather…
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.
09/06/2026 by Miss B

What would be great is to create teams from the…
A giant brown band visible from space, approximately 8,850 kilometers long, connected Africa to America in the Atlantic Ocean, and satellites revealed that it is neither land nor pollution, but the largest accumulation of seaweed in the world, which broke records in 2025.
08/06/2026 by Jean-marie poirier

If the image from the satellite is available please provide…
Scientists warn that the World Cup may have slower games, with less intense matches and players lacking the explosive pace expected by fans.
08/06/2026 by Harry close

WELCOME TO THE GREAT ILLUMINATI.🔺 Greetings to you. Are you…
Panama bets on a $4.5 billion railway bridge over the Panama Canal and calls on Renfe to validate a 450 km high-speed line that promises 50,000 jobs, but still faces the technical challenge of crossing one of the world’s most strategic routes.
08/06/2026 by Eric Sontano

Forget it, this is one of the most corrupt project…

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