CNBC's Arjun Kharpal is in Barcelona at Mobile World Congress where smartphone makers such as Samsung are talking up AI phones. But will it revitalize a stagnant smartphone industry?

Can AI revive the smartphone?

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Semiconductors, or chips, have an incredibly global, complex and intricate production process. The supply chain is spread across the world. As governments focus on boosting their own domestic chip industry, CNBC looks at why no single country can own the chip supply chain.

How semiconductors are made - and why no one country can own the process

Apple has sought to boost its presence in India in terms of physical stores and iPhone manufacturing. But can India become Apple's next China?

Why Apple is betting big on India

The bitcoin halving happens every four years. It’s a technical event that often precedes bitcoin moving to all-time highs. But this time things are a little different.

Bitcoin halving - here’s what it is and what it means for crypto

India has been on a mission to transform itself into a high-tech manufacturing hub for products from smartphones to semiconductors. New Delhi has managed to woo some of the world's biggest tech companies, such as Apple and Micron, to ramp up operations in the country as these firms look to diversify away from China. But can India take China's crown as Asia's most critical tech hub?

How India is challenging China as Asia's tech powerhouse

Electric flying passenger vehicles, also known by the acronym eVTOLs, are beginning to take flight. Dozens of companies across the world are hoping these aircraft will be a large part of the future of transport. But there are big hurdles to overcome, including convincing us that they're safe to ride. Are eVTOLs ready to take off? CNBC's Tom Chitty and Arjun Kharpal discuss.

Can AI revive the smartphone?

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