Animal world
Birds do not follow common kinetic rules
The plane speed has long been limited by simple dynamics laws, related to altitude, wingspan ... But recent research shows that birds seem to have broken those rules.
Limit
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Articles about Limit
501 published items.
Animal world
Greenland: Quite hunting quotas for polar white bears
In the face of the threat of survival of the polar bear, the Greenland government recently introduced a hunting limit for this animal. This limit measure is designed to…
Scientific application
Male students invented sleep-resting machines for drivers
Wishing to limit traffic accidents due to the driver falling asleep, Nguyen Ngoc Duc (Quang Xuong, Thanh Hoa) invented a warning device with many practical values.
Scientific application
Kien Giang recommends limiting IR50404 rice cultivation
Currently, Kien Giang farmers focus on harvesting Dong Xuan rice with the joy of seasons, the average yield of 6.3 tons / ha.
Scientific application
Do not use gas-saving tablets
The Bureau of Goods Quality Management yesterday advised consumers not to use pellets to save fuel and fuel-saving solutions, to limit the risk of toxic or explosive.
Scientific application
Pesticides are harming rice
The International Rice Research Institute (IRRI) called on farmers to limit the use of pesticides in rice fields because they destroy the natural enemies of the most fea…
Scientific application
Subtract diseases on coffee with probiotics
Except for more than 80% of nematodes in the soil, more than 90% of nematodes on roots, limited to 55% of yellow leaf disease, help restore plants to increase productivi…
Scientific application
Chinese application of integrated supplies equipment
China has successfully researched integrated supplies to ensure the safety factor for gas stations in the inner city.
Scientific application
Wrap 'leather' for helmet to increase safety
Philips Helmets Limited has introduced a helmet with artificial skin technology that reduces the risk of brain injury by 67.5%.
Environment
Limit using this to make Earth really meaningful
Environmental protection is very important, and everyone knows how to use a lot of paper is not good. But the real harm of this habit is not many people understand.
Environment
Hanoi air pollution, the elderly and children should limit out
Before the information of the General Department of Environment monitoring mercury in the air in Hanoi, experts warned that people could not neglect because mercury is e…
Environment
What if cities rise to 4 degrees Celsius?
Even with the current limit of 2.7 degrees Celsius being discussed by countries today, cities across the globe still face widespread flooding.
Environment
Mix salt into asphalt to limit freezing on the road
Ice surface formation on asphalt roads in winter can cause unavoidable accidents.
Environment
The Earth reaches the threshold of 'danger' to human survival
The Earth is gradually becoming dangerous to human survival, while people and their activities have contributed greatly to this situation.
Environment
The global warming made it harder for aircraft to take off
A new study shows that rising Earth temperatures will make aircraft more difficult to take off, people will have to limit the number of passengers and luggage.