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Showing posts from April, 2020

The most common beans and lentils

Common beans and lentils in Europe and America navy beans (Europe), used in baked bean tins   red kidney beans (common in America and Europe)   chickpeas (Middle East, Mediterranean and India)   black beans (South and Central America)   butter beans, aka Lima beans (originate from south America and USA, now common in the UK)   lentils (originate from Middle East, now common in the UK)   cannellini beans, aka white kidney beans (originate from south America)   chili beans, aka pink beans (originate from South America)   pinto beans (common in Mexican and Southwest of the USA)   Common beans in Asia soybeans (common in Asia), called edamame when they are immature   soybeans  黄豆 edamame  毛豆 mung bean 绿豆 (Asia, esp. China

Free online courses to boost studies during Covid-19 lockdown

The Covid-19 pandemic and lockdown measures put in place in most countries provide a great opportunity to online studies. Below is a list of online course providers, many of them are offering learning content for free during Covid-19. Normally, verified certificates (after you complete a course) require a fee but some teaching materials are free. I rank them based on number of free courses they offer, the range of subject areas, and their reputation. 1. edX (US) is the best free online course provider and the second largest MOOC provider in the world. It doesn’t have as many courses available as Coursera, but all edX courses can be audited for free because edX is a non-profit organisation. It focuses on natural sciences and humanities. Popular subject areas are languages and computer science. 2. Coursera (US) is the largest MOOC provider in the world. Coursera offers over 1,000 free courses across 11 subject areas on beginner, intermediate, mixed and advanced levels. The reaso

Cutting edge vs. bleeding edge

Bleeding edge is more advanced and pioneer than cutting edge. It has higher  risk because of  unproven nature of an innovation and  the unreliability of a new technology.  An analogy is that the tip of a knife is the bleeding edge and the blade of a knife is the cutting edge.  The tip pierces and breaks through. The cutting edge is the part of the knife that does most of the work.  Innovation is not about the cutting edge. It is about the bleeding edge, where boundary has not yet been broken.