BlogHide Resteemsonosa (25)in fyp • 13 hours agoWhy can't helicopters be silent?Rotor Noise Aerodynamic Noise from the Main Rotor: The main source of helicopter noise is the rotation of the rotor blades. When the rotor spins at high speeds, it interacts with the air, creating…onosa (25)in fyp • 16 hours agoBeach Vacation Essentials: Enjoy Your Summer Worry-Free!The beach is the perfect getaway to escape the hustle and bustle of the city during the summer, but before you dive into the sun and waves, there are some essential tips to keep in mind! Here are my…onosa (25)in cn • 2 days ago我以为厦门已经很美了知道去了泉州给大家分享下旅途中的美好 . 泉州旅行的后劲真的太大了~ 闽南红砖厝, 古建双塔,海天佛国 逛庙宇、串巷子、看历史留下的痕迹 慢下来才能真正体会这座小城的魅力 也让我明白这座城市的“半城烟火,半城仙” . 这条两天一夜攻略送给大家,建议收藏 . ▫路线🗒 Day ❶: 抵达泉州——钟楼——西街——开元寺——关岳庙 Day ❷:…onosa (25)in cn • 2 days agoEnglish guide to Nanxun Ancient Town, ChinaNanxun Ancient Town is a place I have been looking forward to for a long time. It satisfies all my fantasies about Jiangnan Water Town. Green tiles, small bridges, flowing water, hand-rowed boats.…