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This is a list of obsolete technology, superseded by newer technologies. Obsolescence is defined as the "transition from available to unavailable from the manufacturer in accordance with the original specification." [1] Newer technologies can mostly be considered as disruptive innovation. Many older technologies co-exist with newer alternatives ...
Devices that rely on 3G, including old smartphones, some medical and security alarms, some car navigation and entertainment services, and old tablets and e-readers, stopped working by the end of 2022.
Georgia: At least 12 MiG-21UM were retained by Tbilaviamsheni factory and reportedly transferred to Georgian Air Force, One is still in operational condition as of 2016. Sukhoi Su-17 Soviet Union: Several Su-17M4 were inherited from Soviet Union, they were never restored to operational condition, some inoperable aircraft were in service as of 2005.
Technology that is outdated (such as the 8-track) or no longer used at all (such as the telegraph).Not all old technology belongs here - for example, while vinyl records were replaced by audio cassettes and CDs in the 1980s, they are making a comeback as a physical format as non-physical formats have made the CD and cassette obsolete, while vinyl is slowly becoming more common again (see vinyl ...
Today, the highest shares of landline usage are found in the Northeast and Midwest. Vermont tops the charts with 13% of adults only or mostly using landlines, followed by West Virginia (12%) and ...
The Encyclopedia Britannica’s 2010 version was its last in print, and the World Book is the only general encyclopedia still being printed today. NDStock / istockphoto 11.
To be included in this list an obsolete occupation should in the past have employed significant numbers of workers (hundreds or thousands as evidenced by, for example, census data). [1] [2] Some rare occupations are included in this list, but only if they have notable practitioners, for example alchemist or phrenologist.
Sensory Aid Device for visually impaired individuals to navigate their environments. Device sent out pulses of light which, when reflected off of objects around the user, would give the user an auditory cue [159] AN/PVQ-31: Advanced Combat Optical Gunsight (ACOG) U.S. Marine Corps, U.S. Army [169] Trijicon