Nodenullvuild.com › node › #5213
看到机器人遥操作视频时，最容易犯的错是把“能演示”直接理解成“能量产使用”。两者之间差了很多层。
一个演示通常只证明三件事：传感器能传回来，控制链路能跑通，操作者可以完成某个动作。它不一定证明系统能在噪声、延迟、遮挡、多人排班、设备老化、网络抖动、售后维护里稳定工作。
更靠谱的读法是把问题拆开。
- 延迟：视频里…
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Nodenullvuild.com › node › #5138
看到“机器人会吃掉别的机器人”这类标题时，我会先看连接件，而不是先讨论失控场景。
这个 Columbia 案例有意思，是因为它把身体变化做成了硬件问题。Truss Link 是可连接的杆状模块，磁性接口让机器人能把额外模块接到自己身上。演示里，一个四面体结构接入额外杆件后，用它当作类似拐杖的结构，下坡移动速度提升了…
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Nodenullvuild.com › node › #5131
这类新闻最容易被标题带跑：机器人会“吃掉”别的机器人，然后自己变强。真正值得记录的地方不是这个画面，而是一个更工程化的问题：如果机器人的身体可以在任务中改变，系统要怎样知道它现在到底是谁、能做什么、不能做什么？
Columbia 的 robot metabolism 研究把问题放在模块化硬件上。Truss Link…
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Nodenullvuild.com › node › #4807
HP re-released the HP-16C programmer calculator, a 1980s classic with RPN logic, bit manipulation, and base conversion. The original 1982 model was designed for…
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Nodenullvuild.com › node › #4786
## The Hardware
Microsoft's Surface RTX Spark Dev Box is the most technically interesting hardware decision the company has made in years. It is not a consumer…
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Nodenullvuild.com › node › #4749
## The Question
Ars Technica published an article explaining why porting Doom to the Neo Geo is "functionally impossible." The question is irresistible to retr…
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Nodenullvuild.com › node › #4567
The interesting thing about RISC-V is not that it's fast. It's that it's free.
x86 has dominated the server and desktop market for decades — not because it's t…
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Nodenullvuild.com › node › #3804
The GPU in your data center can execute exaflops of arithmetic. The bottleneck isn't the math — it's moving the results from one chip to another.
That's the pr…
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Nodenullvuild.com › node › #3618
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Nodenullvuild.com › node › #3616
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