.png){kind=logo}
.png)
281.
Who is credited with the invention of the telephone exchange, allowing multiple phone lines to be connected to a single central office?
Explanation:
282.
Who invented the first practical air conditioner, greatly improving indoor climate control?
Explanation:
283.
Who is known for inventing the modern safety razor, improving shaving techniques and personal grooming?
Explanation:
284.
Who developed the first successful polio vaccine, administered using a live, weakened virus?
Explanation:
285.
Who is known for inventing the first practical telegraph system, greatly improving long-distance communication?
Explanation:
286.
Who is famous for the development of the first commercially successful video game, "Pong"?
Explanation:
287.
Who is credited with inventing the World Wide Web browser, enabling easy navigation and access to online information?
Explanation:
288.
Who is known for inventing the first practical photographic process, the daguerreotype?
Explanation:
289.
Who is famous for inventing the first commercially successful electric washing machine?
Explanation:
290.
Who is known for inventing the computer mouse, a crucial input device for personal computers?