Science and Technology
A spin-off company from a British university develops a new pioneering method to produce green hydrogen from seawater. Generating two kilograms of hydrogen through electrolysis requires more than eight gallons of fresh water, which poses a serious strain on its availability.
Maria Heloisa Barbosa Borges 04/06/2026 at 17:32
Interesting facts
Vessels up to 300 meters and 45,000 tons of steel end up stranded on the muddy beaches of India, Bangladesh, and Pakistan, where they are cut piece by piece in a billion-dollar recycling industry that coexists with deaths, pollution, and wages of less than 4 dollars a day.
Bruno Teles 04/06/2026 at 17:29
Naval Industry
The French titanium submarine that descends where the light disappears: Nautile carries three people to a depth of 6,000 meters, reaches 97% of the ocean floor, and has already investigated the Titanic, underwater volcanoes, and regions that remain inaccessible to most vessels on the planet.
Valdemar Medeiros 04/06/2026 at 17:13
Science and Technology
Brazil became the first country in the world to receive the Gripen F, the two-seater version of Saab’s fighter jet, presented in Sweden with direct participation from Brazilian engineers, marking a milestone in the program that plans for 36 aircraft to modernize the Brazilian Air Force by 2032.
Bruno Teles 04/06/2026 at 17:11
Interesting facts
The most powerful dredger in the world looks like a colossal excavator floating in the sea: Spartacus measures 164 meters, concentrates 44,180 kW of power, cuts hard soil up to 45 meters deep, and uses LNG to redesign ports, canals, and ocean floors.
Valdemar Medeiros 04/06/2026 at 16:50
Science and Technology
