Why are public toilet doors always left open?
Surely many people have wondered why the toilet is not designed to be closed but left open. The answer will be in the article below!In public places, especially crowded offices, toilets are often de...
In Japan, the sink is built above the toilet for washing hands for what purpose?
Answer: In Japan, a sink is built above the toilet tank for hand washing. The water drains into the toilet tank to be used for the next flush, each year.
The interesting secret behind the super-large "holes" in the middle of high-rise buildings in Hong Kong
At first, we may think this is a confusing, space-consuming, ineffective design, but it is not!
First, to explain this "strange" design, we need to know its name. According to traditional Hong Kong...
Many people still think the blue part of the eraser can erase ballpoint pen ink
In fact, the blue part on the eraser is actually for erasing pencil marks drawn on thick, rough art paper.
Don't Drink Coconut Water
Coconut water, the clear, refreshing liquid found inside young green coconuts, has become a popular health drink worldwide. Marketed as nature’s sports drink and a natural remedy for many ailments,...
Many people still don't know why potato chips have this curved shape.
Why do potato chips always have an impressive curved design? Is it simply a matter of product aesthetics, or are there other interesting facts hidden? Let's explore the story of Pringles - an Americ...
Most people don't know the reason
Have you ever noticed window grills with a small bulge or curve in the middle? Perhaps you’ve wondered what purpose these bars serve. Are they purely decorative, or do they have a functional role? I...
Why do truck drivers always like to carry a woman with them when driving long distances?
A car with a narrow space, lacking everything, at this time if there is a virtuous woman to take care of the man, the quality of life can be improved by more than one level.
Moreover, these big tru...
Strange city has no rain for 600 years but trees are very green, people still live well
Lima is the capital of the Republic of Peru, known for its strong Spanish culture, reflected in its many unique Catholic structures, including the 16th-century cathedral and the National University...
Why do Indians have to eat 100% with their right hand, even left-handed people?
India Not only has a unique culinary culture, with many different features compared to other countries in the Asian region, but the way Indians eat is also very different. From eating in luxury rest...
Many people still think that
Explanation: The expiration date on a bottle of bottled water is not the expiration date of the water in the bottle but of the plastic bottle, because after a long time, the chemicals in the plastic...
Secret of the small hole in the knife
According to the physical explanation, the main purpose of designing the round holes on the knife is to "absorb shock". When we use the knife to handle some tasks such as cutting meat or bones, the...
Warning: Drinking 2 liters of water/day is a huge mistake
Many medical experts have proven that the information about drinking 2 liters of water per day is incorrect and everyone should stop drinking 2 liters of water per day from today to avoid future hea...
Stop this seemingly normal action immediately but it causes potential dangers that you don't expect
In the hot summer, almost everyone "keeps" a bottle of water with them wherever they go, to avoid the tiring situation of having to go out in the sun to buy it. And if you are a person who owns a ca...
FLIP – The world's strangest ship that can flip up and down
The US Office of Naval Research owns a very strange oceanographic device. It is called the FLoating Instrument Platform (FLIP), built and developed by the Marine Physical Laboratory (MPL) at the Scrip...
Why are train wheels closer to a truncated cone than a perfect circle?
Have you ever watched a train roll by? If so, you may have wondered how the train stays on its tracks. The secret lies in the train’s wheels. While they appear cylindrical at first glance, upon clos...
