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Fio ultrafino de nióbio

Pesquisadores criam fio ultrafino de nióbio com condutividade elétrica até seis vezes superior ao cobre

Science and Technology

Researchers Create Ultra-Thin Niobium Wire with Electrical Conductivity Up to Six Times Higher Than Copper

Valdemar Medeiros 28/04/2025 at 08:33

Most commented

10

Engineers want to carve through Africa with a giant canal to bring water from the world’s second-largest river to a dying lake on the edge of the Sahara Desert that has already lost 90% of its water.

Bruno Teles 08/06/2026 at 17:23

9

Interesting facts

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.

Bruno Teles 08/06/2026 at 00:09

4

Science and Technology

Brazil filled the Northeast with wind turbines but now faces the side effect of 705 giant blades reaching the end of their lifespan by 2032 just in Rio Grande do Norte, while the world projects 43 million tons of waste by 2050.

Bruno Teles 10/06/2026 at 20:50

3

Instead of burning or burying old tires, an American city is transforming about 2,000 of them into the street itself, paving its first sections with a quieter and more durable rubber asphalt.

Bruno Teles 09/06/2026 at 20:50

3

Interesting facts

In just one cast, fishermen are surprised to capture 14,096 mullets in Bombinhas and close a historic season with 58,000 fish; scene recorded in the Santa Catarina paradise marks the last day of the 2026 season.

Felipe Alves da Silva 08/06/2026 at 22:29

2

Interesting facts

10 giant tortoises are reintroduced and, in just 6 months, trigger changes that lead scientists to investigate a phenomenon absent for 180 years; the numbers recorded on the island impress researchers from around the world.

Alisson Ficher 10/06/2026 at 11:43

2

Interesting facts

Greek island offers free housing for volunteers, but there’s a condition: you need to take care of rescued cats.

Romário Pereira de Carvalho 09/06/2026 at 14:38

Brazil filled the Northeast with wind turbines but now faces the side effect of 705 giant blades reaching the end of their lifespan by 2032 just in Rio Grande do Norte, while the world projects 43 million tons of waste by 2050.
14/06/2026 by Bob

43 million tons by 2050! This is an urgent problem,…
Brazil filled the Northeast with wind turbines but now faces the side effect of 705 giant blades reaching the end of their lifespan by 2032 just in Rio Grande do Norte, while the world projects 43 million tons of waste by 2050.
14/06/2026 by Bob

43 million tons by 2050! This is an urgent problem,…
India approved the country’s first submerged road-rail tunnel, 15.8 kilometers dug under the bed of the Brahmaputra River.
14/06/2026 by angshuman Chakrabarty

It is great ambitious project for NE India but, the…
A $76 million German machine with a diameter of almost 54 feet will be sent across the oceans to California to dig an 8 km tunnel under Silicon Valley, hiding tracks, stations, and entire subway platforms beneath San José.
13/06/2026 by Martin

Great overview of the project, with comprehensive words and consice,…
Scientists want to deploy 6 spacecraft spraying barium, lithium, or sodium into Earth’s magnetic field to slow down solar storms.
13/06/2026 by Marie

So you f@#$ up the earth so now attack the…
Mother and daughter build a 70 m² house with more than 8,000 discarded glass bottles and impress with their creativity; known as the Casa de Sal, the property is located on Itamaracá Island, in Pernambuco.
13/06/2026 by Ramesh

Very good effort. I have seen houses the have been…
Saudi Arabia launched the first hydrogen truck that drives itself and travels 1,500 kilometers without stopping.
13/06/2026 by Shekhar Jeetsingh

Both will share the road for quite a long time…

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