The bus then barrels on past the elegant architecture of downtown and into the bright lights lining the jam-packed arteries of Hollywood.

BBC: Exploring LA's neon past

Things like the number of computer instructions per clock cycle, the bandwidth of the RAM bus, and the overall efficiency of the architecture are at least as important as the raw clock speed at which a processor runs.

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The best way to learn about Chicago's impressive parade of buildings is through a tour with the Chicago Architecture Foundation, which operates a number of walking and bus tours in the Loop and other neighbourhoods.

BBC: The infamous architecture of Chicago

Stephen Lawrence, who planned to study architecture at university, was attacked and stabbed as he waited at a bus stop on 22 April 1993.

BBC: Doreen Lawrence

An A-level student, he had planned to study architecture at university, but was killed in a racist attack at a bus stop in south east London in April 1993.

BBC: Doreen Lawrence launches race education centre

Enter the IEEE 1394 architecture and its close kin FireWire, which takes the high-speed digital bus interface up to the wicked fast transfer rate of 400MB per second.

CNN: Peripherals abound in Las Vegas