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aço a base de hidrogênio

Tecnologia para produção de ferro e aço à base de hidrogênio avança com resultados inéditos

Science and Technology

Revolutionary Technology for Iron and Steel Production Using Hydrogen Achieves Remarkable Results

Valdemar Medeiros 11/02/2023 at 12:01

Most commented

7

Science and Technology

In the cold desert of Ladakh, where it hardly rains, engineer Sonam Wangchuk created the ice stupa, a tower that freezes winter water and stores it for irrigating crops in the spring, a simple engineering feat that mimics nature.

Bruno Teles 20/06/2026 at 05:11

5

Interesting facts

Júlia Pimentel, an 11-year-old from Minas Gerais, independently invented a new formula to calculate the square root using simple addition and multiplication, and her method was published in one of the most important mathematical scientific journals in Brazil.

Maria Heloisa Barbosa Borges 21/06/2026 at 01:05

7

Interesting facts

They planted a sea of eucalyptus to produce cellulose, but the monoculture turned into a green desert, dried up springs and rivers, and pushed families out of regions in Minas Gerais and Bahia.

Bruno Teles 21/06/2026 at 00:29

3

Interesting facts

The Atacama Desert, the driest place on Earth, was covered in flowers and turned into a colorful carpet with more than 200 species in the phenomenon called “desert bloom,” when atypical rains awaken seeds that had remained dormant in the soil for many years.

Bruno Teles 20/06/2026 at 06:00

5

Without her own home and pressured by rent, a 25-year-old bought a small 15-meter boat, gradually renovated the interior by herself, transformed the interior with paint, new flooring, a larger bathroom, and started living on the canals, paying much less per month.

Flavia Marinho 21/06/2026 at 22:35

4

Interesting facts

A city has planted 880,000 trees and 2.5 million smaller plants since 2016, reduced the temperature by up to 3°C in some areas, and won an international award for using vegetation to combat urban heat in Colombia.

Maria Heloisa Barbosa Borges 20/06/2026 at 23:55

3

Science and Technology

Heir bought 23,000 degraded acres in the Scottish Highlands, fenced the area, planted nearly 1 million native trees, and transformed empty mountains into a forest officially recognized after meeting 15 evaluation criteria over 20 years.

Carla Teles 21/06/2026 at 16:05

A city has planted 880,000 trees and 2.5 million smaller plants since 2016, reduced the temperature by up to 3°C in some areas, and won an international award for using vegetation to combat urban heat in Colombia.
26/06/2026 by Kassaye Haile

An excellent nature based model for climate resilient and for…
Rio de Janeiro School’s Listening Program Reduces Dropout Rates and Boosts Literacy, Set to Expand to 350 Municipal Schools
26/06/2026 by FATIMA BARROS

Com certeza. Desenvolver o lado emocional dos alunos requer trabalhar…
Ship Returns from Brazilian Coast with Thirty Newly Discovered Life Forms
26/06/2026 by LUCY

THIS IS FANTASTIC. NEW LIFE FORMS CONTINUE TO FORM. BE…
Brazilian family creates machine that transforms seawater into fresh water, produces up to 130 liters per hour, facilitates routine on vessels, and boosts family business along the country’s coast.
26/06/2026 by June villamor

Yes
While the world tries to prevent plastic in the oceans, an 18-year-old used oil, rust, and a magnet to solve the problem before it reaches the sea.
26/06/2026 by Malvolm Turnet

A great discovery... well done young fella. Now it's all…
Two young inventors create a terracotta brick that uses water, air, and solar energy to cool cities, and the idea points to buildings that stop worsening urban heat.
25/06/2026 by Dr. Debasish Mohapatra

Very nice innovation on a solution for global warming. Can…
With solar panels on one in three houses, Australia accelerates the home battery race, connecting more than 1,000 units per day and showing how families can store rooftop energy to avoid expensive electricity peaks at night.
25/06/2026 by Lisa Donato

For 43 years, I struggled with bad credit due to…

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