Aug 21, 2017 · +1 It seems that vacuum is the odd word out when placed in a lineup with (for example) continuum, individuum, menstruum, and residuum. I don't know why the -uum in vacuum came to be …

Apr 28, 2018 · According to the Online Etymological Dictionary, vacuum entered English in the 1540s directly from Latin as the substantivized, neuter form of the adjective vacuus. The earliest use was as …

Jun 15, 2011 · Clearly they are related through Latin, from e- and vacare (out of and to empty) and from vacuus (empty), and in Latin the shared morpheme is vac-. More interesting may be the relationships …

Nov 27, 2010 · The vacuum tube was soon replaced by semi-conductor materials. The technology was named solid state electronics because, semi-conductor materials, like vacuum, are actually …

What's the difference between at hand, on hand and in hand? At hand seems to me as if you have something in reach. On hand is if you have something in stock. And in hand can be used as if you …

Quite often I see derision about ideas by people who label them as 'too academic'. Often this appears to result from laziness or an unwillingness to stretch their thinking. What's the logical fal...

Perfect vacuum does not exist - there will always be some energy, some particles manifesting themselves spontaneously from quantum uncertainty, but generally lack of matter, including air is …

Mar 20, 2011 · In other words, don't talk about how the vacuum cleaner was made in Germany and incorporates the latest technology; tell the client he'll be able to vacuum the house in half the time …

Dec 13, 2011 · Electrical isolation amounts to using an air gap (or vacuum) as an insulating (nonconducting) medium; like most electrical insulators, air has a breakdown voltage, typically about …

Jun 23, 2020 · Is the pope catholic? Do vacuum cleaners suck? Is water wet? Is the hypotenuse the longest side of a triangle? Does a bear live in the woods? I’ll answer you with my favorite ‘Y’ …