In this video, we see a differential arm-twisting transmitter used to infer liquid level in a plastic tank by meausring the air "backpressure ...
We had a several of experiments using a 10-ml graduated cylinder.
When measuring the density of a liquid, the from profits called for...
what do you make one think? Have a good kitchen gadget website or science project or something? I necessary to measure liquid ounces accurately for...
Over with your local hospital. Find out where they buy their laboratory glassware. You need a graduated cylinder or flask of some amiable. These will usually be in milliliters, but you can do the...
"There is a perception that the ink is one of the substances most expensive in the world," said Thom Brown, director of marketing at HP.
Well, yes.
You can get that feeling of walking on a store that has spent $ 35 for a single ink cartridge which seems to contain less fluid ounces of the product of a package of Heinz ketchup.
Brown was ready to explain. Her presentation included a series of PowerPoint slides aptly titled "Why printer ink so expensive?" I was ready for the answers.
The key point in a nutshell: ink technology is expensive to develop, and you pay for reliability and image quality. "These liquids are completely different from a technological standpoint," said Brown, adding that users concerned about cost per page may buy "XL ink cartridges" HP that the last two to three times longer. (Competitors offer similar cartridges).
Source: Computerworld (blog)
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