Wikipedia:Reference desk/Archives/Science/May 2017
| << Apr | Science desk | Jun >> |
|---|
| Welcome to the Wikipedia Science Reference Desk Archives |
|---|
| The page you are currently viewing is a monthly archive index. While you can leave answers for any questions shown below, please ask new questions on one of the current reference desk pages. |
May 1[edit]
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[edit]
Wikipedia:Reference_desk/Archives/Science/2017 May 2
May 3[edit]
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[edit]
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[edit]
Wikipedia:Reference_desk/Archives/Science/2017 May 5
May 6[edit]
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[edit]
Wikipedia:Reference_desk/Archives/Science/2017 May 7
May 8[edit]
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[edit]
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[edit]
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[edit]
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[edit]
Wikipedia:Reference_desk/Archives/Science/2017 May 12
May 13[edit]
Wikipedia:Reference_desk/Archives/Science/2017 May 13
May 14[edit]
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[edit]
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[edit]
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[edit]
Wikipedia:Reference_desk/Archives/Science/2017 May 17
May 18[edit]
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[edit]
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[edit]
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[edit]
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[edit]
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[edit]
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[edit]
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[edit]
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[edit]
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[edit]
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[edit]
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[edit]
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[edit]
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