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深蓝航天公布了令人惊叹的火箭垂直着陆爆炸视频

2024-09-23 10:41 by 火星之剑

9 月 22 日 13 时 40 分,深蓝航天的星云一号可重复使用运载火箭,在内蒙古额济纳旗戈壁腹地实施高空垂直回收飞行试验。火箭按照预定程序三台发动机点火起飞,到达预定高度后,两侧发动机关闭,依靠单台发动机推力稳定姿态并减速上升,到达最高点之后依靠单台发动机推力调节平稳下降,横移约 200 米后,在回收场上空的预定高度成功解锁展开并锁定着陆支腿,但是在最后着陆关机段出现异常,导致箭体出现部分损毁。深蓝在数小时内就公布了一份关于试飞、目标和问题初步评估声明,它同时还公布了图像和视频,其中包括无人机近距离拍摄的火箭尝试垂直着陆但失败的爆炸视频,相当震撼。深蓝表示它完成了 11 个主要任务中的 10 个,计划 11 月进行另一次高空试飞。

https://arstechnica.com/space/2024/09/a-chinese-rocket-narrowly-missed-a-landing-on-sunday-the-video-is-amazing/
https://mp.weixin.qq.com/s/jwYBZ1tlt9AcgtW2eG3gOg

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深蓝航天公布了令人惊叹的火箭垂直着陆爆炸视频

2024-09-23 10:41 by 火星之剑

9 月 22 日 13 时 40 分,深蓝航天的星云一号可重复使用运载火箭,在内蒙古额济纳旗戈壁腹地实施高空垂直回收飞行试验。火箭按照预定程序三台发动机点火起飞,到达预定高度后,两侧发动机关闭,依靠单台发动机推力稳定姿态并减速上升,到达最高点之后依靠单台发动机推力调节平稳下降,横移约 200 米后,在回收场上空的预定高度成功解锁展开并锁定着陆支腿,但是在最后着陆关机段出现异常,导致箭体出现部分损毁。深蓝在数小时内就公布了一份关于试飞、目标和问题初步评估声明,它同时还公布了图像和视频,其中包括无人机近距离拍摄的火箭尝试垂直着陆但失败的爆炸视频,相当震撼。深蓝表示它完成了 11 个主要任务中的 10 个,计划 11 月进行另一次高空试飞。

https://arstechnica.com/space/2024/09/a-chinese-rocket-narrowly-missed-a-landing-on-sunday-the-video-is-amazing/
https://mp.weixin.qq.com/s/jwYBZ1tlt9AcgtW2eG3gOg

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Telegram’s stand out feature is its encryption scheme that keeps messages and media secure in transit. The scheme is known as MTProto and is based on 256-bit AES encryption, RSA encryption, and Diffie-Hellman key exchange. The result of this complicated and technical-sounding jargon? A messaging service that claims to keep your data safe.Why do we say claims? When dealing with security, you always want to leave room for scrutiny, and a few cryptography experts have criticized the system. Overall, any level of encryption is better than none, but a level of discretion should always be observed with any online connected system, even Telegram.

In many cases, the content resembled that of the marketplaces found on the dark web, a group of hidden websites that are popular among hackers and accessed using specific anonymising software.“We have recently been witnessing a 100 per cent-plus rise in Telegram usage by cybercriminals,” said Tal Samra, cyber threat analyst at Cyberint.The rise in nefarious activity comes as users flocked to the encrypted chat app earlier this year after changes to the privacy policy of Facebook-owned rival WhatsApp prompted many to seek out alternatives.Solidot from us


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