N Korea's Kim unveils 50 rocket launchers ahead of key congress North Korean leader Kim Jong Un has unveiled dozens of nuclear-capable rocket launchers ahead of a key congress of the governing Workers' Party, according to state media. Kim hailed the 600mm-calibre rocket launchers as "wonderful" and "attractive" during the ceremony on Wednesday, adding that new military and construction goals will be set during the upcoming congress. "When this weapon is used, actually, no force would be able to expect God's protection," Kim said, according to the KCNA "It is really a wonderful and attractive weapon," Kim said, according to South Korea's Yonhap News Agency. He described the launchers as the "world's most advantageous weapon for concentrated super-powerful attack", according Yonhap. Photos released by state media showed dozens of launch vehicles parked in neat rows on the plaza of Pyongyang's House of Culture, which will host the congress.

U.S. philanthropist and Microsoft co-founder Bill Gates attends an event in New Delhi on March 19, 2025. NEW DELHI - Bill Gates pulled out of India's AI Impact Summit hours before his scheduled keynote address on Thursday, dealing another blow to a flagship event already marred by organizational lapses, a robot bungle and delegate complaints over traffic disruptions. The Gates Foundation said the billionaire would not deliver his address to ensure the focus remains on the AI Summit's key priorities. Only days ago, the foundation had dismissed rumors of his absence and insisted he was on track to attend. In a time of both misinformation and too much information, quality journalism is more crucial than ever.

Typically, DNNs suffer from drastic performance degradation of previously learned tasksafterlearning newknowledge, which isawell-documented phenomenon, knownascatastrophic forgetting [8,9,10].

Formally, the CCA problem is defined as follows.