Scientific application
Help blind people move with ... gloves
Instead of using a walking stick or specialized glasses, visually impaired people can walk easily with the aid of movement using sound waves.
Wave
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Articles about Wave
1,097 published items.
Scientific application
Sonneratia trees reduce natural disasters and help people increase their incomes
The Sonneratia caseolaris grown on the dike line of Trieu Phuoc commune in Trieu Phong district, Quang Tri province not only becomes a
Scientific application
Control the car with wifi waves
Vehicles built by students Nguyen Thanh Tuyen and Le Thien Tinh, Department of Motive Mechanics, Ho Chi Minh City University of Technical Education.
Scientific application
Aviation reconnaissance before the radar was born
Before radar, how do people detect the appearance of aircraft in the sky, in addition to observing with the naked eye?
Scientific application
Use light to kill harmful insects
Professor Ping Jian of Kim Trach University (Japan) has announced the results of research on pest control by light convergence method (LED).
Scientific application
Vietnam rescue boat
ST1200CN - the cumulative lifeboat of Company 198 (Ministry of Defense) - is specially designed to facilitate the rescue on the sea, rivers, lakes and shallow waters whe…
Scientific application
Why prohibit the use of electronic devices on airplanes?
In any country, when flying passengers are informed and banned from using any electronic products on the plane. Why must to do that? If while flying passengers use perso…
Scientific application
What is satellite Information?
Information satellites are satellites of radio communications used in telegraph, telephone, fax, radio and television transmission. It has a dedicated information device…
Environment
7.6-magnitude earthquake in New Caledonia, a tsunami warning of 3m high
The strong and shallow earthquake caused officials to order emergency evacuation by a 3-meter high tsunami that could hit New Caledonia, Vanuatu.
Environment
Why is the ocean blue?
Glenn Smith, a professor at the Georgia Institute of Technology (USA), explained this problem: seawater is actually colorless but because it reflects the sky's blue colo…
Environment
Rare blue clouds in the polar region
A balloon of the US Aeronautics and Space Agency (NASA) travels through the Arctic region capturing images of rare blue clouds in the night sky.
Environment
Tsunami devastating Indonesian island formed by?
The strong earthquake of 7.5 degrees that caused Indonesia's Sulawesi island to shake at 5:00 pm through local time.
Environment
The power of Indonesian tsunamis surprised the researchers
The appearance of the Indonesian tsunami along with the destructive power it carries is completely beyond the expectations of the researchers.
Environment
Shock: Land in Indonesia
Specifically, the ground in some areas is observed shifting around like flowing and even waves are formed.
Environment
Typhoon Mangkhut landed Hong Kong with each wave as high as 14m
More than 20 trees in the city have all fallen down when this historic typhoon swept through Hong Kong this morning (September 16).