Time Machine

He revealed bitter truths about sugar
In his time, nutritionist John Yudkin's views on the hazards of sugar were derided; they have since secured new life.
The Intel chip that re-engineered the world
The 4004, the world's first microprocessor, has kept the gears of computer technology grinding.
The floppy disk that revolutionised computing
IBM’s 8-inch ‘memory disk’ catalysed the ‘personal computer’ revolution and contributed to the birth of the software industry.