Abstract: In order to reduce the loss of maneuverability of hypersonic flight vehicle (HFV) when the angle of attack (AOA) is constrained, a dynamic protection control method based on command limiting ...

The ash cloud drifted over northern India, causing some flight delays and cancellations, and continued toward China. By Lynsey Chutel A volcano that erupted in Ethiopia spewed an ash cloud that ...

A long-quiet volcano in Ethiopia spewed ash nine miles into the sky on Sunday, marking the first known major eruption from this volcano for more than 12,000 years. Under-studied and situated in ...

The fragile truce largely insulating civilians in northern Ethiopia from war crimes and other abuses may be unraveling. With many countries focused elsewhere, it is increasingly important that ...

Ethiopia confirmed its first outbreak of Marburg virus disease after sending samples from a cluster of suspected cases of viral hemorrhagic fever for testing earlier this week. The virus is the same ...

The Nile River dispute traces back more than a century to colonial-era treaties that favored Egypt while ignoring upstream nations. Today, the struggle over water rights has intensified as Ethiopia’s ...

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Johannesburg — Africa's largest hydroelectric dam, the Grand Ethiopian Renaissance Dam (GERD), on the Blue Nile is scheduled to open Tuesday to major fanfare in Ethiopia. The $5 billion dam project ...

In January, DeepSeek’s R1 exploded onto leaderboards and social media, signaling how “open-weight” reasoning models could be trained efficiently and then reproduced by others. Within days, independent ...

Smallholder farmers have been taught to restore soil health by learning sustainable farming practices like vermicomposting and integrated pest management. The adoption of these techniques has led to ...

In nanophotonics, tiny structures manipulate light at incredibly small scales, enabling a range of advanced technologies. One of the most important tools in this field is the optical resonator, which ...