The history of double entry book keeping

Number of words – 178 The concept of double entry bookkeeping was codified in the 15th century by Friar Luca Paacioli, a collaborator of Leonardo da Vinci. Although, there were earlier experiments with it, he introduced it by stating that a successful merchant needs three things: sufficient cash or credit, good bookkeepers and an accounting … Read more

Evolution Vs Revolution

Number of words – 398 There are two major forms of product innovation: one follows a natural, slow evolutionary process; the other is achieved through radical new development. In general, people tend to think of innovation as being radical, major changes, whereas the most common and powerful form of it is actually small and incremental. … Read more

Enhancing Safety with Resilience Engineering

Number of words – 151 Resilience engineering is a paradigm for safety management that focuses on how to help people cope with complexity under pressure to achieve success. It strongly contrasts with what is typical today—a paradigm of tabulating error as if it were a thing, followed by interventions to reduce this count. A resilient … Read more

Accidents never have a single cause

Number of words – 268 Accidents usually have multiple causes, whereby had any single one of those causes not happened, the accident would not have occurred. The British accident researcher James Reason describes this through the metaphor of slices of Swiss cheese: unless the holes all line up perfectly, there will be no accident. This … Read more

Sterile Cockpits

Number of words – 534 Multitasking, whereby we deliberately do several tasks simultaneously, erroneously appears to be an efficient way of getting a lot done. It is much beloved by teenagers and busy workers, but in fact, all the evidence points to severe degradation of performance, increased errors, and a general lack of both quality … Read more