10 inventions that changed the world
What are the most innovative inventions that changed the world? Well, there are many such inventions which helped to do so. Let’s talk about 10 of those.
A type writer is a machine for writing in characters produced by means of a keyboard-operated types striking a ribbon to transfer ink or carbon impressions.
GPS, which stands for Global Positioning System, is a radio navigation system that allows land, sea, and airborne users to determine their exact location, velocity, and time 24 hours a day, in all weather conditions, anywhere in the world.
3. Vacuum Cleaner
An electrical apparatus that by means of suction collects dust and small particles from floors and other surfaces.
4. Alarm Clock
A clock with a device that can be made to sound at the time set in advance, used to wake someone up.
5. VCR / VCP
A VCR (videocassette recorder) is an electromechanical device for recording and playing back full-motion audio-visual programming on cassettes containing magnetic tape.
A combined device for modulation and demodulation, for example, between the digital data of a computer and the analogue signal of a telephone line.
7. Remote Control
The control of a machine or apparatus from a distance by means of radio or infrared signals transmitted from a device.
A computer that is portable and suitable for use while travelling.
A digital single-lens reflex camera (also called a digital SLR or DSLR) is a digital camera combining the optics and the mechanisms of a single-lens reflex camera with a digital imaging sensor, as opposed to photographic film.
A mobile phone that performs many of the functions of a computer, typically having a touchscreen interface, Internet access, and an operating system capable of running downloaded apps.
Source : Google