History
Soap was born like?
When born, soap was not respected because of its association with the lower class. Later, with the development of science and technology, soap was proved by researchers…
Hand
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Topic archive
Articles about Hand
1,231 published items.
Life
Covid-19 made scientists think again about public toilets
According to experts, sensor spouts and hand-free openers are useful inventions that improve the safety of public toilets.
New technology
The first liquid metal network was successfully built, the future of 'Terminator' T-1000 is not far away?
The prototype of the hand was made from Field alloys, a mixture of bismuth, indium and tin, named after its inventor.
Discover science
A series of rules when the Empress Dowager Dowager made the archers cry
The maidservant Xu Xoushi Dowager was always afraid of losing her head due to a series of harsh regulations.
Life
How long can corona virus live on the phone?
As the Covid-19 pandemic continues to spread, the telephone is also one of the agents that spread the virus.
Science invention
The invention was inspired by the Covid-19 pandemic
A new type of ventilator, headscarf and anti-virus robot and hands-free doorknobs are just some of the innovations that have come up with the corona virus.
New technology
Tools to open the door without hands
In order to minimize the spread of corona virus, Materialize has developed a design to help users open the door without using their hands.
Scientific application
Grade 9 students invented an automatic disinfectant spray machine, priced at VND 350,000
Just put your hand in, the machine will automatically spray disinfectant within 2 seconds without having to press the button like a regular antiseptic, limiting cross-co…
Health
What is cross-infection?
Cross-infection is the transmission of harmful microorganisms (usually bacteria and viruses) between people, from equipment to people or can occur inside the body.
Discover science
Can you play Yo-Yo in space?
Yo-Yo is considered to be one of the oldest toys in the world, probably only behind dolls.
Life
How to use public toilets safely, avoiding Covid-19 infection
The rate of transmission of infectious diseases, including COVID-19 from the use of public toilets is quite small, but not impossible, there are a few things you should…
Health
The girl was hand grafted from black young man, 2 years after the miracle happened
Indian doctors recently reported the case of a young girl nearly three years ago who had undergone hand transplants from a young male donor, oddly enough that the hand c…
Health
6 extreme personal hygiene habits we still make every day
In your opinion, should you wash your hands before or after using the toilet? Be careful wrong there!
Discover science
Why would writing information on paper help you remember things better?
If you're looking to organize and plan things neatly, there are dozens of mobile apps that can help you remember the important things in life. But what if the best way t…
Life
How to clean the phone to prevent Covid-19
As Covid-19 continues to spread, keeping hands and smartphones clean can help protect you against viruses.