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Close-up of the train wheel replacement process
The quality of train wheels plays an important role in ensuring safety throughout the operation of the train.
Stamp
Browse ScienceInfo articles and explainers related to Stamp.
Topic archive
Articles about Stamp
47 published items.
Space science
'Strange mushroom-shaped object' is rising, splitting an Earth continent in two
Geophysicists have found a surprising reason why a famous continental rift is rapidly widening.
Oceanography
Discover the 5 most special ocean mailboxes on the planet, everyone wants to experience it once
This mailing service requires the sender to use a special waterproof postcard and stamp.
Health
MIT engineer successfully developed a patch that can be seen inside the body
The ultrasound patch is about the size of a stamp, but is capable of creating clear images of the heart, lungs, and other internal organs of the user's body.
Science invention
Unique inventions in the Rat year
The 19th century was considered the culmination of new inventions when scientists around the world repeatedly announced unique and significant landmark inventions.
New technology
Introducing Japanese anti-rape and sexual harassment devices
The device acts as a stamp seal - stamped the raptor with invisible ink.
Discover science
9 countries own the most unique and most unique things in the world
Here are 9 countries and territories that own those
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Chicken eggs also have identity cards, you know?
When you step into any supermarket in European Union countries to buy chicken eggs, you can easily
Discover science
Why is smoking banned on the plane but still have ashtrays?
We all know that smoking is prohibited when flying, but there are cigarette ashtrays on every plane. So what does ashtray work?
Discover science
Scary of drugs 'tongue talismans' that make you suffer from schizophrenia for life
It is LSD - a stimulant found to be used in psychiatric treatment but has been turned into a dangerous drug.
Discover science
The Top 10 reveals the most interesting thing about the UK
A lot of interesting revelations about the UK below made many people suddenly mix and enjoy.
Discover science
Tips to help you distinguish true and fake Nike shoes in a standard way
You absolutely love Nike shoes but still do not dare to buy because of fear
1001 mystery
Revealing secrets of Truong Yen ancient stone block
A 1.5m long round stone with lugs on both ends that people discovered in Truong Yen commune (Hoa Lu) once caused a stir in Ninh Binh province is gradually revealing unbe…
World celebrity
Who is Maya Angelou who is celebrating her birthday by Google?
African American writer Maya Angelou is one of the authors whose literary career is widely known around the world.