Wikipedia:Reference desk/Archives/Science/May 2017
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| style="background: #5D7CBA; text-align: center; font-family:Arial; color:#FFFFFF;" | Welcome to the Wikipedia Science Reference Desk Archives |
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= May 1 =
Wikipedia:Reference_desk/Archives/Science/2017 May 1
- Are humans diverse enough to have immunity towards all diseases?
- Technology for launching satellites vs for ballistic missiles
- What was the highest text and/or number information density when the "first computer" and film were invented?
= May 2 =
Wikipedia:Reference_desk/Archives/Science/2017 May 2
= May 3 =
Wikipedia: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 =
Wikipedia:Reference_desk/Archives/Science/2017 May 4
- Second law of thermodynamics
- What do you get when divide time by distance?
- How much force to increase pressure?
- What has five leaves?
- Is dark energy ever considered to be "walls of the cosmos"? A few questions, mostly theoretical
= May 5 =
Wikipedia:Reference_desk/Archives/Science/2017 May 5
= May 6 =
Wikipedia: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 =
Wikipedia:Reference_desk/Archives/Science/2017 May 7
= May 8 =
Wikipedia: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 =
Wikipedia: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 =
Wikipedia:Reference_desk/Archives/Science/2017 May 10
- Several siblings, all male or female
- What does it mean "Negative logarithm" of the concentration of hydrogen ions.
- As more and more Hydrogen ions exist the more acidic it is?
- Thermodynamics of a permanent magnet
- Why do fat people have a lower pain threshold?
- Universe expansion
= May 11 =
Wikipedia:Reference_desk/Archives/Science/2017 May 11
- Psychology study about the perception of achievement
- Convection coefficient for Heat sink Calculation
- Elephants in a balanced ecosystem
- Why are combustion motors noisy?
- Could the US or Latin America have lots of wild elephants if someone had released breeding pairs?
= May 12 =
Wikipedia:Reference_desk/Archives/Science/2017 May 12
= May 13 =
Wikipedia:Reference_desk/Archives/Science/2017 May 13
= May 14 =
Wikipedia:Reference_desk/Archives/Science/2017 May 14
- Is Faraday's law of inductance properly applied to Wiki's article on LC circuits?
- Floating references
- ceramic capacitor vs tantalum capacitor
- Data and maths of man-made climate warming
= May 15 =
Wikipedia: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 =
Wikipedia:Reference_desk/Archives/Science/2017 May 16
- Death by Medicine
- Skin-mole color relation
- Spiked bulletproof surface
- project engineering, project management, project management office, construction management, commercial management, design engineer
- Explosive Reactive Armour
- Understanding ammonia
= May 17 =
Wikipedia:Reference_desk/Archives/Science/2017 May 17
= May 18 =
Wikipedia:Reference_desk/Archives/Science/2017 May 18
- End mill
- What happened in AHA guideline in 2015 regarding to the definition of children age?
- Homogenous packaged, pre-cooked food
- Do any wild/feral animals know what traffic lights or walk signals mean?
- condensed climate chart
= May 19 =
Wikipedia: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 =
Wikipedia:Reference_desk/Archives/Science/2017 May 20
- Defibrillator paddles vs defibrillator pads/ patches
- Where are the amino-acids / steroids derivatives hormones are made in?
- Ladder paradox and electric circuit
= May 21 =
Wikipedia:Reference_desk/Archives/Science/2017 May 21
- What is the exact number of hormones in human?
- Heyday of immune system
- Power consumption of black and white screen
- Continuity equation for fluids
= May 22 =
Wikipedia: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 =
Wikipedia: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 =
Wikipedia:Reference_desk/Archives/Science/2017 May 24
- Decentralized electric networks
- Electric field at plane of non-conducting uniformly charged thin disk
- Table salt
- does tb has cure?
= May 25 =
Wikipedia: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 =
Wikipedia:Reference_desk/Archives/Science/2017 May 26
- Mammals that sexually mature later than humans?
- Exocrine system + endocrine system =?
- How does a creature adapt to city life?
= May 27 =
Wikipedia: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 =
Wikipedia:Reference_desk/Archives/Science/2017 May 28
- If babies are never weaned, then will they be able to digest lactose at later ages?
- What does the word "refractory" in "refractory period" refer to?
- Re: whale death due to ship strike. Why not attach a beeping horn to the ships bow to provide warning to whales in imminent danger?
= May 29 =
Wikipedia: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?
= May 30 =
Wikipedia:Reference_desk/Archives/Science/2017 May 30
- The good, the bad, and the immunocompromised
- About Amader Electronics a popular Bengali Educational website and blog
- Cancer spreading through the blood
- Effect of purified vitamins orally and topically vs vitamins in foods orally or topically
= May 31 =