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On March 26, 2015, GitHub was the target of a distributed denial-of-service (DDoS) attack originating from China. It targeted two anti-censorship projects: GreatFire and cn-nytimes, the latter including instructions on how to access the Chinese version of The New York Times. [18] GitHub blocked China-based IP addresses from visiting these ...
VEX AI is a planned advanced robotics program for high school and university students. The pilot program registration was initially scheduled to open to university students in fall of 2020, [5] however, as of 2024, no competitions have taken place. [6]
FIRST Tech Challenge (FTC), formerly known as FIRST Vex Challenge, is a robotics competition for students in grades 7–12 to compete head to head, by designing, building, and programming a robot to compete in an alliance format against other teams.
MRC-5 (Medical Research Council cell strain 5) is a diploid cell culture line composed of fibroblasts, originally developed from the lung tissue of a 14-week-old aborted white male fetus. [ 1 ] [ 2 ] The cell line was isolated by J.P. Jacobs and colleagues in September 1966 from the seventh population doubling of the original strain, and MRC-5 ...
VEX coding is also used for instructions operating on the k0-k7 mask registers that were introduced with AVX-512. The alignment requirement of SIMD memory operands is relaxed. [ 5 ] Unlike their non-VEX coded counterparts, most VEX coded vector instructions no longer require their memory operands to be aligned to the vector size.
The EVEX prefix retains fields introduced in the VEX prefix: Four bits R̅, X̅, B̅ and W from the VEX prefix, stored in inverted form. W expands the operand size to 64 bits or serves as an additional opcode, R expands reg, B expands r/m or reg, and X and B expand index and base in the SIB byte. Four bits named v̅, stored in inverted form.
In the blocked rotor test, the rotor is locked securely enough that it cannot break free. [5] A low voltage is applied on the stator terminals so that there is full load current in the stator winding, and the current, voltage and power input are measured at that point. When the rotor is stationary, the slip, =. [6]
VEx-5A was a two-stage suborbital rocket that was destroyed upon launch. The T-10 first stage is capable of producing 11t of thrust, while the T-4 second stage is capable of 4t of thrust. The rocket was 18 meters long and 1.5 meters diameter, with a total launch weight (including fuel) of 8500 kg.