From a designer’s point of view, the problem can be divided in a series of concatenated steps: (a) For a given thermal load (amount of power required by the fluid), calculate the necessary external load, or vice versa; (b) Link the thermal load to the external radius of the disc;...
was proposed: burning a candle inside an inverted vessel. The following data collection tools were used: a Predict-Observe-Explain (POE) strategy and audio and video recordings. The children’s explanations were analysed using classification frameworks, which had been developed in previous studies. ...
Hazelnut product launches saw a 50 percent increase from 2012 to 2015, followed by coffee-flavored options, which saw a 40 percent launch growth. The current top five flavors of chocolate worldwide are: plain, hazelnut, caramel, almond and orange [source: Candy Industry]. Unconventional ...
On Feb. 2, 1963, the S.S. Marine Sulphur Queen, a 19-year-old, 7,200-ton (6,532 metric tons) oil tanker was bound for Norfolk, Virginia from Beaumont, Texas carrying 15,000 tons of molten sulfur in heated tanks. But it never reached its destination. Unlike some of the other vani...
Wednesday night’s e-mail from HP: “Your HP product has been repaired and is now on its way.” It would have arrived Saturday, but of course I was no at home for that signature-required delivery. Instead, I got to unpack the returned laptop Monday morning. The receipt in the box li...
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One April Fool’s Day, when I was in high school, a group of students in my class played a very clever and funny trick on the teachers. They bought some chickens and set them free in our school cafeteria (自助餐厅). The chickens ran all around the school, in and out of classrooms ...
So here’s our primer on all the things to consider when you sit down to brew your next cup of tea. Know your H2O Brewed tea is 99 percent water, so the water you start with has a lot to do with the final taste of the brewed tea. If your water tastes “off” or has ...
In return, they released into the atmosphere large amounts of CH4 (a.k.a., methane, from which they get their name), a potent greenhouse gas that accumulated and heated up the climate. Since our sun at the time was not as bright as it is today, it may not have been able to maint...
Materials like this are the secret ingredient in everything from mood rings and forehead strip thermometers to battery testers and coffee cups that change color when you pour hot drinks into them. How exactly do they work? Let's take a closer look!