Wikipedia:Reference desk/Archives/Science/April 2017
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April 1
[edit]Wikipedia:Reference_desk/Archives/Science/2017 April 1
- Repeated exposure and emotional response
- Synchronizing cardinal grammeters
- Feynman Lectures. Lecture 51. Ch.51-2 Bore in a channel [http://www.feynmanlectures.caltech.edu/I_51.html]
- Pine trees
- Extraterrestrial eyes that absorb non-electromagnetic waves
- Can modern humans live on a wild food diet?
April 2
[edit]Wikipedia:Reference_desk/Archives/Science/2017 April 2
- questions about asteroids and dwarf planets
- Is there any organ in the body that's normally not grow after the birth?
- Is it better / worse to transplant seed without its coat?
- The "good pain"
- How are other galaxies receding from us
April 3
[edit]Wikipedia:Reference_desk/Archives/Science/2017 April 3
- type of orbit?
- Mathematically, what is dubstep?
- Complex infrastructure programme organisation structure
April 4
[edit]Wikipedia:Reference_desk/Archives/Science/2017 April 4
April 5
[edit]Wikipedia:Reference_desk/Archives/Science/2017 April 5
- Weight loss and mass loss
- Lead used to fix a connecting bar
- Epistemology and ontology of medical sociology (sociology of illness and health) and health psychology.
- How fast could an 18-wheeler cab do 0-60 with an aerodynamic shell attached?
- What does the defibrilator do to the heart when it febrilates?
- Vaccines
April 6
[edit]Wikipedia:Reference_desk/Archives/Science/2017 April 6
- Extraterrestrial government and economy
- Could a natural breast look like fake?
- Equilibrium question - Physics
- What is the difference between the cells of the electrical conduction system to the rest heart muscle cells?
- Tetrapod Clades that Survived the K/T Boundary?
- Are longer focal distance magnifiers more expensive to manufacture?
- Is there any danger of the world running out of oil or does other energy advancements make that unlikely?
April 7
[edit]Wikipedia:Reference_desk/Archives/Science/2017 April 7
- "Death by old age"
- Schwarzschild geodesics - references
- What other cities and highway lighting authorities are eliminating/eliminated HPS streetlights?
- Engineers and project managers
- When a battery has 10000 mAh
April 8
[edit]Wikipedia:Reference_desk/Archives/Science/2017 April 8
- Am I right-handed or left-handed?
- Nutrient-dense food with high risk of bacterial and parasite infection vs. nutrient-scarce food with high risk of chronic illnesses
- Why was azeotropic isopropanol not sold in stores in the past?
April 9
[edit]Wikipedia:Reference_desk/Archives/Science/2017 April 9
- Plutonium and its electrical conductivity
- The effects of caffeine and alcohol
- Are nuts made of cells?
- Will the human population reduce in numbers because of global climate change?
April 10
[edit]Wikipedia:Reference_desk/Archives/Science/2017 April 10
- Transgender suicide rates
- UV-vis spectroscopy
- Downsides of fresh beef and natural preservatives/colors/flavors
- Is 580°F twice as hot as 60°F? and other weird temperature math
April 11
[edit]Wikipedia:Reference_desk/Archives/Science/2017 April 11
- Feynman Lectures. [http://www.feynmanlectures.caltech.edu/I_51.html Lecture 51]. Ch.51-2 Bore in a channel 2 [http://en.wiki.x.io/wiki/Wikipedia:Reference_desk/Archives/Science/2017_April_1#Feynman_Lectures._Lecture_51._Ch.51-2_Bore_in_a_channel_.5B1.5D archive]
- Insanely low calories
- Omnidirectional vs. tight beam broadcast
- What do "weeds" do in any ecosystem?
- Beginning of Period R
April 12
[edit]Wikipedia:Reference_desk/Archives/Science/2017 April 12
- If a person eats an apple seed, then will an apple seedling grow inside him?
- Windows in highrise buildings
- How many trees need to be planted in order to reverse global climate change?
- Feynman Lectures. [http://www.feynmanlectures.caltech.edu/I_51.html Lecture 52]. [http://www.feynmanlectures.caltech.edu/I_52.html#Ch52-S4 Ch.52-4], [http://www.feynmanlectures.caltech.edu/I_52.html#Ch52-S5 Ch.52-5], [http://www.feynmanlectures.caltech.edu/I_52.html#Ch52-S6 Ch.52-6] Reflection symmetry
- Are humans only concerned about climate change because they know they will be affected negatively?
- Clams, Oysters, Pearls in Freshwater ??
- Distance estimate to the outside objects in driverless cars
- Could future fossil fuels be dying now?
April 13
[edit]Wikipedia:Reference_desk/Archives/Science/2017 April 13
- Feynman Lectures. [http://www.feynmanlectures.caltech.edu/I_51.html Lecture 52]. [http://www.feynmanlectures.caltech.edu/I_52.html#Ch52-S7 Ch.52-7]
- Cats and dogs
- Laser pointer reflected light harmful to eyes in close proximity?
- Adhara (second brightest star of Canis Major)
April 14
[edit]Wikipedia:Reference_desk/Archives/Science/2017 April 14
- How do I know that the municipal water supply is safe?
- Summer ice in Hobart?
- At what point is something "wild" or "domesticated"?
- Hydrogen vehicles
- Radio broadcast range and transmitter wattage
- Another Australian weather thing
April 15
[edit]Wikipedia:Reference_desk/Archives/Science/2017 April 15
- Radio propagation, part 2
- Pressurised carbon dioxide cylinders
- Physics, Overview of Halliday and Resnick
- Temporarily leaving a profession.
- Edible disinfectants ?
- Transgender suicide rates
April 16
[edit]Wikipedia:Reference_desk/Archives/Science/2017 April 16
- DC-3 mountain ops
- Project_engineering
- Sexual differentiation delay
- Magnifying glasses/diopters
- water temperature of the Columbia River
- Natural selection and attractiveness - related?
April 17
[edit]Wikipedia:Reference_desk/Archives/Science/2017 April 17
April 18
[edit]Wikipedia:Reference_desk/Archives/Science/2017 April 18
April 19
[edit]Wikipedia:Reference_desk/Archives/Science/2017 April 19
- ISO classification of materials
- Moving across the monkey bars
- Why the mixing of DNA is prohibited in human by law?
- Winged ants
- Feynman Lectures. [http://www.feynmanlectures.caltech.edu/I_52.html Lecture 52].[http://www.feynmanlectures.caltech.edu/I_52.html#Ch52-S5 Ch.52-5] Reflection symmetry 2. [http://en.wiki.x.io/wiki/Wikipedia:Reference_desk/Archives/Science/2017_April_12#Feynman_Lectures._Lecture_52._Ch.52-4.2C_Ch.52-5.2C_Ch.52-6_Reflection_symmetry archive]
- Would effervescent vitamin c tablets still be usable after 20 years?
- The predictability of humans
- Distinguishing phytoplankton from zoo plankton
- 1.0x magnification lens - what is the purpose?
- Jellyfish evolving into land creatures
- Why does Defibrillator has two stickers to attach the chest of a victim?
- Near Earth object flybys and statistical oddities
April 21
[edit]Wikipedia:Reference_desk/Archives/Science/2017 April 21
- Mars the Orange Planet
- Constraint vs Restraint (Physics and Maths)
- Scientific knowledge
- Specialty or profession
- Identifiable whisperers
April 22
[edit]Wikipedia:Reference_desk/Archives/Science/2017 April 22
- Making big chicken breasts
- Would sleep deprivation, weed or drunkness change an eyeglass prescription?
- Time travel paradoxes
- Feynman lectures authorship and copyright
- Virtual urge to urinate after drinking water
- Is the longitude linear in time when I throw a ball in an angle?
April 23
[edit]Wikipedia:Reference_desk/Archives/Science/2017 April 23
- Climategate 2.0: New E-Mails Rock The Global Warming Debate
- A fish like this
- Why are there two types of oxygen based on the agreement of spins in different orbitals?
- The science of making vegetables taste like meat
April 24
[edit]Wikipedia:Reference_desk/Archives/Science/2017 April 24
April 25
[edit]Wikipedia:Reference_desk/Archives/Science/2017 April 25
April 26
[edit]Wikipedia:Reference_desk/Archives/Science/2017 April 26
- Intermodal container
- Installing a new thermostat on a 240V household heater
- Cargo spacecraft visiting the ISS
- Stowaway on a trip to space
- video
- CO2 nose tingling
- AC Transformer Ratings
April 27
[edit]Wikipedia:Reference_desk/Archives/Science/2017 April 27
- Portion control, food rationing, and economics
- How are hard jelly sweets made?
- Can people still lose weight eating junk food?
- The asteriod impact that wiped out the dinosaurs
April 28
[edit]Wikipedia:Reference_desk/Archives/Science/2017 April 28
- Girls having more moles on arms
- Wind rose
- Is "queen ant" or "queen bee" accurate or anthropomorphizing bees and ants?
- Quite an attachment?
- Alien fungus?
- Question about the Time Dilation
April 29
[edit]Wikipedia:Reference_desk/Archives/Science/2017 April 29
- Perseid meteor shower and other meteor showers, could it be from the Earth/Moon breakup?
- Is there a name for this mental defect ?
- Cold bouncy balls
- Firefly question
- If jetliner pilots both die soon after giving autopilot the controls on a SYD(morning)-LAX nonstop?
- Eating a small amount of sugar and carbs while in starvation induced ketosis?
- Air pressure in soccer ball, less than 1 bar
April 30
[edit]Wikipedia:Reference_desk/Archives/Science/2017 April 30
- Feed conversion ratio / Efficiency of food conversion
- Why are multicellular, eukaryotic organisms more difficult to kill than prokarotic, unicellular organisms?
- Life on the sun/stars
- Feynman Lectures. Exercises [http://theswissbay.ch/pdf/Gentoomen%20Library/Extra/ 1964]. Exercise [https://html2-f.scribdassets.com/eibnqst4w4bgnuc/images/7-ef915d7573.jpg 1-3]
- Pouring hot water into a glass with a spoon inside
- Separately living transitional species