Construction

While in Brazil the São Paulo-Rio high-speed train never materialized, China plans to tunnel 120 km under the sea to connect two cities by rail — 90 km will be underwater, with trains at 250 km/h, and the 8-hour journey will be reduced to 40 minutes.

Douglas Avila 23/04/2026 at 00:31

Nuclear Energy

China has just commissioned the world’s first commercial mini-nuclear reactor — it is only 14 meters tall, generates energy for 526,000 homes, and prevents 880,000 tons of CO₂ per year.

Douglas Avila 23/04/2026 at 00:29

Armed Forces

The U.S. Army and Navy jointly tested a missile that exceeds Mach 5 and travels at over 6,100 km/h — it maneuvers in the air, evades any radar, and no existing defense system is capable of intercepting it.

Douglas Avila 23/04/2026 at 00:27

Science and Technology

In 2022, NASA shot a spacecraft at an asteroid at 6.6 km per second and changed its orbit by 33 minutes — now Europe’s Hera probe is traveling there to inspect the damage and make planetary defense an exact science.

Douglas Avila 23/04/2026 at 00:25

Interesting facts

A 250-million-year-old fossil revealed an embryo curled inside an egg and proved that the ancestors of all mammals — including humans — reproduced like reptiles.

Douglas Avila 23/04/2026 at 00:21

Interesting facts

At a depth of 3,000 meters in Australia’s largest marine park, scientists found more than 110 species previously unknown to science — among them, a soft-bodied shark and a ghost-like fish.

Douglas Avila 23/04/2026 at 00:18

Construction

Two African countries will inaugurate in 4 days an 825-meter bridge suspended 90 meters high over a reservoir — it is the largest of three bridges of a megaproject that will supply millions of people.

Douglas Avila 23/04/2026 at 00:13

Construction

China is filling the reservoir of the world’s tallest dam — it’s 315 meters of concrete, almost the height of the Eiffel Tower, and when operational will save 3 million tons of coal per year.

Douglas Avila 23/04/2026 at 00:11

Renewable Energy

For the first time, Brazil will auction areas in the ocean for wind farms, and the country’s offshore energy potential reaches 697 GW — more than the entire current installed capacity.

Douglas Avila 23/04/2026 at 00:07

Interesting facts

In Paraíba, researchers found on the sertão ground the largest carnivorous dinosaur footprint ever recorded in Brazil — the predator was 6 meters long and stepped there 140 million years ago.

Douglas Avila 23/04/2026 at 00:03

Economy

Brazil will hold the first exclusive battery auction in history with 18 GW of registered projects, a potential of R$ 10 billion, and savings of R$ 3.2 billion per year compared to thermal power plants…

Douglas Avila 22/04/2026 at 23:57

Electric Vehicles

Japanese scientists have created the first air-breathing battery that stores twice the energy of conventional ones — it operates at room temperature and can give electric cars 600 km…

Douglas Avila 22/04/2026 at 23:55