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Interesting facts

The Ingenious Physical Secret That Keeps Steel Train Wheels Steady on Tracks, Even on Sharp Curves, May Surprise You

Romário Pereira de Carvalho 06/06/2025 at 08:23

Most commented

13

Science and Technology

The end of Nokia: the brand that was the cellphone of an entire generation has ended its smartphones, left Brazil, and today survives only in basic phones in India while seeking a new partner.

Noel Budeguer 02/06/2026 at 07:02

3

Interesting facts

Dissatisfied with seeing people sleeping on the street, a man named Ryan Donais started building small mobile homes so that homeless people can escape the cold, each equipped with a bed, running water, electricity, and heating.

Maria Heloisa Barbosa Borges 03/06/2026 at 23:35

3

Interesting facts

Workers were opening a modern road in Dover when they found, 6 meters below the asphalt, a 3,500-year-old boat made of stitched oak and plant fibers.

Flavia Marinho 05/06/2026 at 20:50

2

Consumers eat six times more chicken than in the 1960s, global meat supply quadruples in 60 years, and FAO report reveals the invisible cost on the plate: livestock could drive 80% of the increase in agricultural emissions over the next decade.

Carla Teles 06/06/2026 at 18:29

2

Science and Technology

China has put millions of electric cars on the roads, but now faces the side effect: more than 1 million tons of batteries are expected to go out of use per year by 2030, while the government expands tracking and combats illegal dismantling with environmental risks.

Carla Teles 31/05/2026 at 23:17

2

Science and Technology

An Indonesian fisherman pulls a mysterious object from the sea and discovers that it is a Chinese underwater monitoring system, part of the so-called Underwater Great Wall that Beijing uses to track submarines and unmanned vehicles in strategic straits of the region.

Maria Heloisa Barbosa Borges 01/06/2026 at 21:47

1

Man built a 5-acre lake to raise bass, but after 1,000 days the project turned into a wildlife sanctuary with eagles, deer, ducks, owls, and live cameras that transformed the farm into a biodiversity laboratory.

Carla Teles 02/06/2026 at 18:41

Gaddafi built the world’s largest artificial river under the Sahara — it’s 4,000 km of giant pipes that pump 40,000-year-old fossil water to entire cities in Libya.
07/06/2026 by Gofrex

Detta ger mig så mycket hopp
Faster than the Concorde and designed for transpacific passenger travel at Mach 3, Astro Mechanica’s Duality hybrid-electric engine behaves like a turbofan, a turbojet, and a ramjet without the need for hardware changes, while its fourth-generation prototype is on track for its first flight within three years.
07/06/2026 by Stewie

Please stop this tired narrative of " I've got a…
Workers were opening a modern road in Dover when they found, 6 meters below the asphalt, a 3,500-year-old boat made of stitched oak and plant fibers.
07/06/2026 by William Turner

Do they know what fibers were used to hold the…
Scientists considered detonating 213 nuclear bombs in the Sahara to create an artificial sea the size of El Salvador, with each explosion being a hundred times more powerful than the Hiroshima bomb, and the goal was to generate more energy than Egypt’s largest hydroelectric plant.
07/06/2026 by Eldread

Imagine the radioactive dust storm going across the continent to…
Scientists considered detonating 213 nuclear bombs in the Sahara to create an artificial sea the size of El Salvador, with each explosion being a hundred times more powerful than the Hiroshima bomb, and the goal was to generate more energy than Egypt’s largest hydroelectric plant.
07/06/2026 by Karen

It should be resumed in order to alleviate chronic water…
Consumers eat six times more chicken than in the 1960s, global meat supply quadruples in 60 years, and FAO report reveals the invisible cost on the plate: livestock could drive 80% of the increase in agricultural emissions over the next decade.
07/06/2026 by Karin

I am vegan for the animals and the planet…14 years…
Consumers eat six times more chicken than in the 1960s, global meat supply quadruples in 60 years, and FAO report reveals the invisible cost on the plate: livestock could drive 80% of the increase in agricultural emissions over the next decade.
07/06/2026 by Mo Markham

I gave up all animal products because of their impact…

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