Does knowledge become obsolete?

It turns out knowledge is a lot like radioactive atoms because it decays over time. We can also examine different branches of knowledge — medicine, sociology, etc. — and see how long it takes for half of what we know in these fields to be overturned or rendered obsolete.

What is outdated knowledge?

1. The condition of knowledge becoming outdated or superseded due to the emergence of newer more relevant knowledge or need for additional currency or relevance.

What has become obsolete?

List of obsolete technology

Obsolete technology	Replacement
LaserDisc	Compact disks, DVDs, and Blu-ray
Overhead projector and slide projector	Video projector
Phonograph and phonograph record	Audio cassette, 8 track tape, compact disc, MP3
Telegraph	Telephone, teletype, email, Global Maritime Distress and Safety System

Will writing ever become obsolete?

Despite advances in technology, the written word will never become obsolete because it has many advantages besides the fact that it is technologically simple. For person-to-person communications, hand-written notes were invented millenia before the telephone was invented.

How quickly do skills become obsolete?

Research suggests that skills generally have a “half-life” of about five years, with more technical skills at just two and a half years.

What is the half-life of skills?

The “half-life” of a skill refers to the period of time a skill is innovated, flourishes and then becomes irrelevant.

What skills are needed after Covid?

Although it’s unlikely that you’ll need to know every system or platform, demonstrating a solid working knowledge of data literacy, computer programming, big data, the Cloud, artificial intelligence (AI), blockchain and more, will help catapult your profile above the rest.