The Altair 8800 is credited with being the first personal computer, but its user interface was anything but “personal.”© Mac World The groundbreaking Apple I is on display at the Computer ...

In a world first, they used two-dimensional (2D) materials, which are only an atom thick and retain their properties at that scale, unlike silicon, to develop a computer capable of simple operations.

Those people were Steve Jobs and Steve Wozniak, the founders of Apple. By mid-1975, they’d been working for some months on their own personal computer, what would go on to become the Apple I.