A few months ago, a tweet by [Ken Shirriff] asking about simple digital simulators caught my attention. The topic came up again in May when a repair video by [CuriousMarc] featured one such simulator ...

We can represent Boolean logic by creating circuit diagrams that combine simple logic gates. Logic gates can be built up into chains of logical decisions. Some logic gates may have more than two ...

Why it matters: For decades, scientists have dreamed of building computer chips that use light instead of electricity to process information. While our current silicon chips are incredibly fast, ...