Wikipedia:Reference desk/Archives/Science/May 2017
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May 1
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editWikipedia:Reference_desk/Archives/Science/2017 May 3
- What's the smallest feature of 14 and 10nm chips in the horizontal direction?
- Nicotine parent
- What is the reason to remove jewlarys in case of burn?
- Temperature change of air due to pressure drop
- Blood compatibility in pregnancy
- Would it make more sense for gas stations to sell by the pound or kilo?
- Tubeless bike tires with holes instead
- Height of Parinacota?
May 4
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editWikipedia:Reference_desk/Archives/Science/2017 May 6
- Acrylic Adhesive
- How can I swing
- Landlocked fish
- Feynman Lectures. Exercises [http://webcache.googleusercontent.com/search?q=cache:http://theswissbay.ch/pdf/Gentoomen%2520Library/Extra/Richard_Feynman-Feynman_Lectures_on_Physics%252C_Vol._1_Exercises-1964._Volume_1-Addison-Wesley(1964).pdf Google OCR]. Exercise 1-5 [http://html.scribd.com/91cmvs8wn433jb9d/images/7-20c29f2e20.jpg JPG]
- All-day use of CPAP Continuous positive airway pressure devices.
- What's the point of non-specialized scientific magazines?
- electric train whining noise
- Mass, acceleration, gravitational field, and electric field.
- Calories in Sucralose
May 7
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editWikipedia:Reference_desk/Archives/Science/2017 May 8
- Astronomy / Calendar : Thirteen Groups of (Almost) Eight
- Whom to trust?
- Magnetism
- Making sense out of North Korea's assassination plot suggestion
- Does the Milky Way rotate around anything?
- Blackest black fabric that is reasonable to achieve?
- Personality types.
- US energy efficiency drop
- Animals swallowing live prey
May 9
editWikipedia:Reference_desk/Archives/Science/2017 May 9
- DIY teleprompter glass plate angle
- Feynman Lectures. Exercises [http://theswissbay.ch/pdf/Gentoomen%20Library/Extra/Richard_Feynman-Feynman_Lectures_on_Physics%2C_Vol._1_Exercises-1964._Volume_1-Addison-Wesley(1964).pdf PDF]. Exercise 1-8 [http://html.scribd.com/91cmvs8wn433jb9d/images/7-20c29f2e20.jpg JPG]
- Where's the highest railway? (above the surface, not sea level)
May 10
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editWikipedia:Reference_desk/Archives/Science/2017 May 15
- Meaning of "above" in geology
- Induction and Convention of thermoelement
- Autopsies in the absence of a coroner's investigation
- Feynman Lectures. Exercises [http://theswissbay.ch/pdf/Gentoomen%20Library/Extra/Richard_Feynman-Feynman_Lectures_on_Physics%2C_Vol._1_Exercises-1964._Volume_1-Addison-Wesley(1964).pdf PDF]. Exercise 4-2 [http://html.scribd.com/91cmvs8wn433jb9d/images/8-91f1a7c855.jpg JPG][http://html2-f.scribdassets.com/91cmvs8wn433jb9d/pages/8-91f1a7c855.jsonp .]
- If one eats fruits and veggies without washing them or cooking them, then what is the likelihood of dying by acute illnesses and plant toxicity?
May 16
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editWikipedia:Reference_desk/Archives/Science/2017 May 19
- Feynman Lectures. Exercises [http://theswissbay.ch/pdf/Gentoomen%20Library/Extra/Richard_Feynman-Feynman_Lectures_on_Physics%2C_Vol._1_Exercises-1964._Volume_1-Addison-Wesley(1964).pdf PDF]. Exercise 4-4 [http://html.scribd.com/91cmvs8wn433jb9d/images/8-91f1a7c855.jpg JPG1][http://html.scribd.com/91cmvs8wn433jb9d/images/9-547346fc9a.jpg JPG2]
- Carpet bombing
- Physics Question about a clock meant to address time dilation
- Honey
May 20
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editWikipedia:Reference_desk/Archives/Science/2017 May 22
- Brush for painting walls
- Eliminating infectious diseases by bioengineering large numbers of brainless humans with weakened immune systems?
- Why epinephrine is discriminated from nor-epinephrine and dopamine by the definition of hormone?
- Histamine is considered as hormone or not?
- How can gunpowder propel something over Mach 1?
- What kind of voltage regulator is this?
May 23
editWikipedia:Reference_desk/Archives/Science/2017 May 23
- Chemistry - Chloro-amphetamine
- Sugar in baked beans
- Acidity and preservatives
- History of Allergy Testing in the 20th Century
- Feynman Lectures. Exercises [http://theswissbay.ch/pdf/Gentoomen%20Library/Extra/Richard_Feynman-Feynman_Lectures_on_Physics%2C_Vol._1_Exercises-1964._Volume_1-Addison-Wesley(1964).pdf PDF]. Exercise 4-14 [http://html.scribd.com/91cmvs8wn433jb9d/images/12-90e86da6f5.jpg JPG1][http://html.scribd.com/91cmvs8wn433jb9d/images/13-118a2acddc.jpg JPG2]
- Have any planes, ships or train cars had cables to increase stiffness or strength?
May 24
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editWikipedia:Reference_desk/Archives/Science/2017 May 25
- Can sea water be purified and made into fresh water?
- Soil formation on the bank of the Nile river
- How did the common people come to define "organic" to mean "without pesticides"?
- Human size and power of blows, strikes, kicks
- 16 Psyche on earth
- Can hormones be secreted by the endocrine system only?
- Solar and lunar eclipse in Toronto
May 26
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editWikipedia:Reference_desk/Archives/Science/2017 May 27
- Feynman Lectures. Exercises [http://theswissbay.ch/pdf/Gentoomen%20Library/Extra/Richard_Feynman-Feynman_Lectures_on_Physics%2C_Vol._1_Exercises-1964._Volume_1-Addison-Wesley(1964).pdf PDF]. Exercises 4-1...4-16
- Typical revolutions per minute of a fidget spinner
- Is there any pattern to warning symbols?
May 28
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editWikipedia:Reference_desk/Archives/Science/2017 May 29
- What is shame from an evolutionary perspective?
- Domestic irradiator instead of a refrigerator?
- Help with understanding a U-series dating method
- Which plant?
- Frequency of solar eclipses at a given place
- Solar eclipse at the poles
- Does superluminal communication through a (traversable) wormhole inherently imply time travel?