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The Magical Ring That Was Claimed to Predict COVID-19

26 Jun 2020

As the NBA resumes its basketball season in Florida, sports journalists are pointing out that players will have the option to wear a $300 ring fitted with the latest technology to act as an early...

Is Your Forehead Good Enough for a Fever Check?

5 Jun 2020

Your forehead is about to get a lot of action. Is it greasy? You may want to wipe that sweat off. In the age of COVID, our forehead will become the target of fever spot checks. Thermal cameras and...

Mood Ring Technology Powers Your LCD TV

6 Sep 2018

A substance is said to exhibit thermochromism if it changes colour according to temperature. The most popular example of this is mood rings, the hot fashion item of the 70s. These pieces of jewelry...

How is the caloric value of food determined? 

6 Sep 2018

A very good question to tackle because many people do not have a good understanding of calories.  First of all, a calorie is not a thing and therefore cannot be full or empty.  You cannot put...

Can previously frozen, thawed, and cooked food be refrozen?

16 Aug 2018

Most foods previously frozen, thawed and then cooked can be refrozen as long as they have not been sitting at room temperature for more than two hours. Remember that freezing does not kill bacteria...

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