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ISOLDE takes a solid tick forward towards a nuclear clock（图）
原子钟 钍-229 ISOLDE
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2023/5/25
Atomic clocks are the world’s most precise timekeepers. Based on periodic transitions between two electronic states of an atom, they can track the passage of time with a precision as high as one part ...
Tick Tock: Building Browser Red Pills from Timing Side Channels
Timing Side Channels Building Browser Red
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2015/8/5
Red pills allow programs to detect if their execution environment is a CPU emulator or a virtual machine. They are used by digital rights management systems and by malware authors. In this paper we st...