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Why do curlers sweep?

11 Feb 2022

Just about any subject becomes more interesting with a deeper dive. That is certainly the case for curling, a sport that is a mystery to many and unfortunately often the butt of jokes. However, it...

What is tritium paint?

28 Jan 2022

In 1957, Edward Shapiro filed a patent for a novel type of 鈥渟elf-luminous paint.鈥 The concept was not new, luminous paints based on radioactive emissions from radium striking a phosphor such as...

Smoke Alarms Are Not Created Equal

8 Jan 2022

Earlier this week, a fire broke out in a rowhouse in Philadelphia, killing at least 13 people. The deputy fire commissioner stated during a news conference that there were four smoke alarms but...

It鈥檚 In The Can!

17 Sep 2021

A liner prevents the metal from reacting with the can鈥檚 contents. The concern is about bisphenol A (BPA), one of the components used to produce the epoxy resin, leaching out into the food or...

How do sparklers work?

17 Sep 2021

You stick them into a birthday cake, stand back and revel in the brilliant shower of sparks. What you are witnessing are glowing metal particles, usually aluminum, but iron titanium, zinc or...

SnowWedges and Snowballs

13 Aug 2021

鈥淪nowballs鈥 is the brand name for a type of specially designed underwear that is equipped with two compartments into which freezable gels encased in plastic, termed 鈥淪nowWedges,鈥 can be slipped....

Can You Turn Nausea Off at the Wrist?

6 Aug 2021

A few years ago, I found myself on a small boat in the Pacific Ocean. The weather conditions were dodgy, but our skipper decided to go ahead with the whale watching expedition. The first couple of...

From Armstrong to Bezos

21 Jul 2021

On that July 20, back in 1969, streets were almost empty you could have launched a聽huo chien聽down most streets in America without hitting a single person. That鈥檚 because almost everyone was huddled...

The Emerging Science of Careful Whispers

11 Jun 2021

Some people crave whispers. As a way to relax before going to sleep, these whisper connoisseurs go to YouTube, type in four letters, and let their brain be transfixed by the murmurs of intimacy...

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