Science and Technology

36 PET bottles become the “tank” of an engine without gasoline, without diesel, and without a battery, created by students, which uses compressed air to make a tricycle move on its own at 10 km/h for up to 750 meters and demonstrates an unlikely alternative to traditional combustion.

Valdemar Medeiros 04/05/2026 at 10:42

Science and Technology

The lawnmower you know is on borrowed time; an autonomous robot that maps the entire terrain, avoids everything on its own, and works non-stop has just arrived on the Brazilian market. But while in the United States it has already become a basic item, here the price ranges from R$ 7 thousand to R$ 24 thousand and separates those who can have the future from those who will continue sweating in the backyard.

Bruno Teles 04/05/2026 at 10:40

Economy

German multinational announces R$ 1 billion investment in Latin America to expand production, modernize factories, develop automotive and industrial technologies, and create direct and indirect jobs – understand Bosch’s strategy

Hilton Libório 04/05/2026 at 10:34

Science and Technology

Marine scientist warns that almost half of the world’s beaches could disappear, as sea level rise and urbanization crush dunes, accelerate coastal erosion, and leave entire cities more exposed to storms, loss of tourism, and ecosystem destruction.

Valdemar Medeiros 04/05/2026 at 10:23

Legislation and Law

The Headlight Law is catching drivers off guard on highways across Brazil, with a fine of R$ 130.16 and 4 points on their driver’s license. Drivers of older cars without automatic daytime running lights can be ticketed even in broad daylight, and many only discover this when the notification arrives at home.

Bruno Teles 04/05/2026 at 10:19

Economy

War in the Middle East drops international air demand, pressures cargo, and raises an alert about airline fuel.

Fabio Lucas Carvalho 04/05/2026 at 10:17

Mining

The city of only 4,000 inhabitants in Brazil produces up to 1,000 kg of emeralds per month, sells them to China, and is home to a billion-dollar deposit.

Romário Pereira de Carvalho 04/05/2026 at 10:15

Science and Technology

GPS spoofing becomes an invisible threat, and a portable detector can identify false signals in real time, even with a vehicle in motion.

Fabio Lucas Carvalho 04/05/2026 at 10:11

Science and Technology

Brain-inspired technique teaches models to doubt wrong answers before making critical decisions

Fabio Lucas Carvalho 04/05/2026 at 10:08

Armed Forces

China doubles naval replenishment speed with an upgrade to its Type 903A ships

Ruth Rodrigues 04/05/2026 at 10:06

Science and Technology

Smart surfaces can transform 6G by making wireless networks more reliable, efficient, and difficult to intercept.

Fabio Lucas Carvalho 04/05/2026 at 10:02

Interesting facts

Coffee in the gut and in the brain: study reveals how the drink changes bacteria, mood, stress, memory, and attention

Fabio Lucas Carvalho 04/05/2026 at 09:57