Why does J-20 have canards?

Why does J-20 have canards? The J-20 uses canards, small foreplanes on its forward fuselage, which are primarily meant to improve manoeuvrability. Do canards affect stealth? Canard aircraft can potentially have poor stealth characteristics because they present large angular surfaces that tend to reflect radar signals forwards. Canards have been incorporated on stealth aircraft such […]

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Is Addis Ababa safe to visit?

Is Addis Ababa safe to visit? Addis Ababa and other major urban areas are comparatively safe compared to many African cities. However, the British Embassy has received increased reports of foreign nationals being targeted by groups of youths or scam artists. There has been an increase in violent robberies at parks and walking sites in […]

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What vaccines did Louis Pasteur discover?

What vaccines did Louis Pasteur discover? During the mid- to late 19th century Pasteur demonstrated that microorganisms cause disease and discovered how to make vaccines from weakened, or attenuated, microbes. He developed the earliest vaccines against fowl cholera, anthrax, and rabies. What did Louis Pasteur discover 1862? In 1862, a French chemist named Louis Pasteur […]

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