维修权威机构 iFixit，拆解分析指出，最近几日部分消费者反馈的，苹果折叠屏 iPhone Duo，开箱后不久内屏碎裂现象。 怀疑可能是机械结构设计问题，折叠中间铰链里的零件，支撑杆或导轨，在消费者合上时，没及时让开，加上灰尘卡住，把软屏顶裂，所以再展开后，就看到内屏裂了。

🔥 Wunderwaffen / Wonder weapons It dropped its wheels after takeoff, attacked American bombers at nearly 600 mph... and returned to earth as a glider! The Messerschmitt Me 163 Komet was the only rocket-powered fighter ever used operationally. Developed from Alexander Lippisch’s tailless designs, it entered combat with JG 400 in the summer of 1944, tasked with intercepting the Allied bombers pounding Germany. Often called a “jet fighter,” the Komet actually used a Walter rocket motor. Unlike the Me 262’s turbojets, it carried both its fuel and its oxidizer, rather than drawing oxygen from the atmosphere. Its performance was extraordinary: roughly 960 km/h (600 mph), an initial climb rate approaching 5,000 metres per minute, and just 7½ minutes of powered flight. To save weight, it took off on a jettisonable two-wheeled dolly. Once its propellants were exhausted, the pilot glided home and landed on a retractable skid beneath the fuselage. Well, in theory, anyway! ⚠️But the Komet’s greatest danger could come from within. Its T-Stoff oxidizer and C-Stoff fuel reacted violently on contact. Leaks, engine malfunctions or a rough landing with residual propellants aboard could cause catastrophic fires and explosions. Chemical burns and serious landing injuries added to the risks. Even its speed worked against it: pilots had only seconds to aim their two 30 mm cannon during an attack. On the glide home, they were vulnerable to Allied fighters. An astonishing aircraft, but a deeply flawed weapon, with only a handful of aerial victories (Just nine) to show for its promise. Follow @Vanguard_WW2 for more stories behind WWII’s extraordinary machines.

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iPhone Duo返品完了。Apple storeなら開封しても14日は返品できる、だけど初めて返品した､､､そのくらい人類には早すぎるデバイスです。