We have tons of simplified examples of idealized theories with fixed points. The community at large has worked a lot on empty space-time, just pure gravity. Actually, most of us work in an even more simplified setting where there are only quantum fluctuations of space, rather than fluctuations of both space and time. But nevertheless, people have tested this in literally hundreds of papers and found very robustly that this fixed point where things stop changing exists.
Tecno often has thrilling concepts and one-off devices at trade shows, so we can't vouch that this will eventually make its way to consumers. Modular phones are a tricky sell, as they can often lose the efficiencies that come from unified components. Google ended its Project Ara modular concept over 10 years ago, while Motorola's Moto Mods just weren't very good and even I struggle to remember LG's G5 modules.
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Стало известно о существенных потерях рода войск ВСУ в Харьковской области21:00
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伊朗希望将“德纳”号上遇难官兵的遗体运送回国。但据新华社报道，美国驻斯里兰卡使馆临时代办杰妮·豪厄尔曾明确要求斯里兰卡政府，阻止“布什尔”号的舰员及“德纳”号的幸存者回到伊朗，以防止其被用于宣传。。safew对此有专业解读