Yahoo Answers is shutting down on May 4th, 2021 (Eastern Time) and beginning April 20th, 2021 (Eastern Time) the Yahoo Answers website will be in read-only mode. There will be no changes to other Yahoo properties or services, or your Yahoo account. You can find more information about the Yahoo Answers shutdown and how to download your data on this help page.
Bomba
Mech. Engr. retired in Florida USA Chemical / Plastics / Textile Industry Facilities, Utilities and Process Systems design Sometimes I jest
What is that red star ?
Currently ,directly above north central Florida at about midnight is a major star having a reddish hue. The "pointer stars" also direct toward it - somewhat.
Got a name for it ?
Thanks
4 AnswersAstronomy & Space9 years agoWhat was the estimated Native American population in North America at the beginning of the sixteenth century?
That was right after Columbus arrived. What was it estimated to be at the beginning of the nineteenth century when the Louisiana Purchase was made? What was it in 2000 ?
Thanks
1 AnswerHistory9 years agoPower Factor Applied?
Does a power factor of 0.8 mean that 20% more power must be generated to serve that inductive load ? For example : if the resistance - only load is 100kW the needed generation is 100kW, but if the inductive load is 100kW with a 0.8 PF, the needed generation is 120kW ?
2 AnswersEngineering1 decade agoPhotosynthesis with persistant cloud cover ?
What would be the effect on normal plant life if the red part of the photosynthetic solar stimulus was blocked by deep and long-enduring water cloud cover ?
1 AnswerBiology1 decade agoPhotosnethesis with only ultraviolet light ?
Will normal plant life employing photosynthesis survive without some direct sunlight, or can it be sustain by ultraviolet radiation alone ?
For instance, suppose there was deep, extended and long- persistent (water vapor/mist) cloud cover.
3 AnswersBotany1 decade agoSome say ,"Soaking in Coca Cola will safely eat off rust ". Why is that true?
Some say it is the phosphoric acid in the Coke. So would any weak acid be an effective rust stripper, like vinegar , citric acid ? What about other carbonated soft drinks. Would it be the carbonic acid ? Or does it have to be a metallic-based acid ? One study shows that coke has less phosphoric acid than meat. So do we pack rusty bolts into a tub of lean hamburger ?
2 AnswersChemistry1 decade agoWhat kind of batteries utilize silver compounds ?
Related to a recent question in the Engineering Section
1 AnswerChemistry1 decade ago