Category Archives: Articles

Weekly Wrap 141

frozen-woman

This is a weekly wrap of our popular Daily Knowledge Newsletter. You can get that newsletter for free here. Why Engines are Often Measured in Horsepower We owe this unit of engine power measurement to Scottish engineer James Watt. In the early 1780s, after making a vastly superior steam engine to the then classic Newcomen steam engine, Watt was looking […]

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Why Does Hypothermia Help People Survive in Some Situations?

frozen-woman

Derek H. asks: Why does extreme lowering of body temperature sometimes help people survive when they’re otherwise dead for extended periods? We’ve all probably heard of a person being pulled from cold water after a seemingly unrevivable timeframe. Miraculously, they survive and more or less make full recoveries. A 7-year-old girl named Stella Berndtsson from Sweden currently holds the record […]

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The Russian Tank So Hard to Destroy One Tactic Used was Simply to Run Over Anti-Tank Guns With It

KV1

The KV-1 and KV-2 are recognised as being amongst the most heavily armoured tanks deployed during WW2. At least initially largely impervious to anything less than a direct, point-blank hit from a dedicated anti-tank weapon, the KV series was so formidable that the first time the Wehrmacht encountered them, Soviet soldiers destroyed dozens of anti-tank guns by simply driving towards […]

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Weekly Wrap Volume 140

duty-free

This is a weekly wrap of our popular Daily Knowledge Newsletter. You can get that newsletter for free here. The Polish Schindlers You’ve probably heard of Oskar Schindler, the German industrialist who saved the lives of 1,200 Jews during the Holocaust. Here’s a story you probably haven’t heard—about two men who pulled off a similar miracle in Poland.  Dr. Eugene […]

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Duty Free

duty-free

Jeremy W. asks: Why do we call non-taxed items duty free? Why is this allowed? Is this really the case or are you supposed to pay taxes anyway on items to your home country? Providing shoppers with a chance to buy and transport goods across international boundaries without paying local and national taxes, duty-free shops are found in airports and […]

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The Polish Schindlers

typhus

The following is an article from Uncle John’s Bathroom Reader You’ve probably heard of Oskar Schindler, the German industrialist who saved the lives of 1,200 Jews during the Holocaust. Here’s a story you probably haven’t heard—about two men who pulled off a similar miracle in Poland. OCCUPATION Dr. Eugene Lazowski was a young Red Cross physician living in the village […]

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