Wikipedia:Reference desk/Archives/Science/April 2017

= April 1 = Reference_desk/Archives/Science/2017 April 1


 * 1) Repeated exposure and emotional response
 * 2) Synchronizing cardinal grammeters
 * 3) [[Wikipedia:Reference_desk/Archives/Science/2017 April 1#Feynman_Lectures._Lecture_51._Ch.51-2_Bore_in_a_channel_.5Bhttp:.2F.2Fwww.feynmanlectures.caltech.edu.2FI_51.html.5D|Feynman Lectures. Lecture 51. Ch.51-2 Bore in a channel ]]
 * 4) Pine trees
 * 5) Extraterrestrial eyes that absorb non-electromagnetic waves
 * 6) Can modern humans live on a wild food diet?

= April 2 = Reference_desk/Archives/Science/2017 April 2


 * 1) questions about asteroids and dwarf planets
 * 2) Is there any organ in the body that's normally not grow after the birth?
 * 3) Is it better / worse to transplant seed without its coat?
 * 4) The "good pain"
 * 5) How are other galaxies receding from us

= April 3 = Reference_desk/Archives/Science/2017 April 3


 * 1) type of orbit?
 * 2) Mathematically, what is dubstep?
 * 3) Complex infrastructure programme organisation structure

= April 4 = Reference_desk/Archives/Science/2017 April 4


 * 1) Karate
 * 2) Growing plants in a basement
 * 3) Cultivated plant from Hunan, China

= April 5 = Reference_desk/Archives/Science/2017 April 5


 * 1) Weight loss and mass loss
 * 2) Lead used to fix a connecting bar
 * 3) Epistemology and ontology of medical sociology (sociology of illness and health) and health psychology.
 * 4) How fast could an 18-wheeler cab do 0-60 with an aerodynamic shell attached?
 * 5) What does the defibrilator do to the heart when it febrilates?
 * 6) Vaccines

= April 6 = Reference_desk/Archives/Science/2017 April 6


 * 1) Extraterrestrial government and economy
 * 2) Could a natural breast look like fake?
 * 3) Equilibrium question - Physics
 * 4) What is the difference between the cells of the electrical conduction system to the rest heart muscle cells?
 * 5) Tetrapod Clades that Survived the K/T Boundary?
 * 6) Are longer focal distance magnifiers more expensive to manufacture?
 * 7) Is there any danger of the world running out of oil or does other energy advancements make that unlikely?

= April 7 = Reference_desk/Archives/Science/2017 April 7


 * 1) "Death by old age"
 * 2) Schwarzschild geodesics - references
 * 3) What other cities and highway lighting authorities are eliminating/eliminated HPS streetlights?
 * 4) Engineers and project managers
 * 5) When a battery has 10000 mAh

= April 8 = Reference_desk/Archives/Science/2017 April 8


 * 1) Am I right-handed or left-handed?
 * 2) Nutrient-dense food with high risk of bacterial and parasite infection vs. nutrient-scarce food with high risk of chronic illnesses
 * 3) Why was azeotropic isopropanol not sold in stores in the past?

= April 9 = Reference_desk/Archives/Science/2017 April 9


 * 1) Plutonium and its electrical conductivity
 * 2) The effects of caffeine and alcohol
 * 3) Are nuts made of cells?
 * 4) Will the human population reduce in numbers because of global climate change?

= April 10 = Reference_desk/Archives/Science/2017 April 10


 * 1) Transgender suicide rates
 * 2) UV-vis spectroscopy
 * 3) Downsides of fresh beef and natural preservatives/colors/flavors
 * 4) Is 580°F twice as hot as 60°F? and other weird temperature math

= April 11 = Reference_desk/Archives/Science/2017 April 11


 * 1) [[Wikipedia:Reference_desk/Archives/Science/2017 April 11#Feynman_Lectures._.5Bhttp:.2F.2Fwww.feynmanlectures.caltech.edu.2FI_51.html_Lecture_51.5D._Ch.51-2_Bore_in_a_channel_2_.5Bhttps:.2F.2Fen.wikipedia.org.2Fwiki.2FWikipedia:Reference_desk.2FArchives.2FScience.2F2017_April_1.23Feynman_Lectures._Lecture_51._Ch.51-2_Bore_in_a_channel_.5B1.5D_archive.5D|Feynman Lectures. Lecture 51. Ch.51-2 Bore in a channel 2 archive]]
 * 2) Insanely low calories
 * 3) Omnidirectional vs. tight beam broadcast
 * 4) What do "weeds" do in any ecosystem?
 * 5) Beginning of Period R

= April 12 = Reference_desk/Archives/Science/2017 April 12


 * 1) If a person eats an apple seed, then will an apple seedling grow inside him?
 * 2) Windows in highrise buildings
 * 3) How many trees need to be planted in order to reverse global climate change?
 * 4) [[Wikipedia:Reference_desk/Archives/Science/2017 April 12#Feynman_Lectures._.5Bhttp:.2F.2Fwww.feynmanlectures.caltech.edu.2FI_51.html_Lecture_52.5D._.5Bhttp:.2F.2Fwww.feynmanlectures.caltech.edu.2FI_52.html.23Ch52-S4_Ch.52-4.5D.2C_.5Bhttp:.2F.2Fwww.feynmanlectures.caltech.edu.2FI_52.html.23Ch52-S5_Ch.52-5.5D.2C_.5Bhttp:.2F.2Fwww.feynmanlectures.caltech.edu.2FI_52.html.23Ch52-S6_Ch.52-6.5D_Reflection_symmetry|Feynman Lectures. Lecture 52. Ch.52-4, Ch.52-5, Ch.52-6 Reflection symmetry]]
 * 5) Are humans only concerned about climate change because they know they will be affected negatively?
 * 6) Clams, Oysters, Pearls in Freshwater ??
 * 7) Distance estimate to the outside objects in driverless cars
 * 8) Could future fossil fuels be dying now?

= April 13 = Reference_desk/Archives/Science/2017 April 13


 * 1) [[Wikipedia:Reference_desk/Archives/Science/2017 April 13#Feynman_Lectures._.5Bhttp:.2F.2Fwww.feynmanlectures.caltech.edu.2FI_51.html_Lecture_52.5D._.5Bhttp:.2F.2Fwww.feynmanlectures.caltech.edu.2FI_52.html.23Ch52-S7_Ch.52-7.5D|Feynman Lectures. Lecture 52. Ch.52-7]]
 * 2) Cats and dogs
 * 3) Laser pointer reflected light harmful to eyes in close proximity?
 * 4) Adhara (second brightest star of Canis Major)

= April 14 = Reference_desk/Archives/Science/2017 April 14


 * 1) How do I know that the municipal water supply is safe?
 * 2) Summer ice in Hobart?
 * 3) At what point is something "wild" or "domesticated"?
 * 4) Hydrogen vehicles
 * 5) Radio broadcast range and transmitter wattage
 * 6) Another Australian weather thing

= April 15 = Reference_desk/Archives/Science/2017 April 15


 * 1) Radio propagation, part 2
 * 2) Pressurised carbon dioxide cylinders
 * 3) Physics, Overview of Halliday and Resnick
 * 4) Temporarily leaving a profession.
 * 5) Edible disinfectants ?
 * 6) Transgender suicide rates

= April 16 = Reference_desk/Archives/Science/2017 April 16


 * 1) DC-3 mountain ops
 * 2) Project_engineering
 * 3) Sexual differentiation delay
 * 4) Magnifying glasses/diopters
 * 5) water temperature of the Columbia River
 * 6) Natural selection and attractiveness - related?

= April 17 = Reference_desk/Archives/Science/2017 April 17


 * 1) Fins
 * 2) Governments
 * 3) Injected drugs coming out in the feces
 * 4) Mixing oil and water

= April 18 = Reference_desk/Archives/Science/2017 April 18


 * 1) Stupid question: What flowers are these?
 * 2) Ostrich wing span
 * 3) Wheatgrass

= April 19 = Reference_desk/Archives/Science/2017 April 19


 * 1) ISO classification of materials
 * 2) Moving across the monkey bars
 * 3) Why the mixing of DNA is prohibited in human by law?
 * 4) Winged ants
 * 5) [[Wikipedia:Reference_desk/Archives/Science/2017 April 19#Feynman_Lectures._.5Bhttp:.2F.2Fwww.feynmanlectures.caltech.edu.2FI_52.html_Lecture_52.5D..5Bhttp:.2F.2Fwww.feynmanlectures.caltech.edu.2FI_52.html.23Ch52-S5_Ch.52-5.5D_Reflection_symmetry_2._.5Bhttps:.2F.2Fen.wikipedia.org.2Fwiki.2FWikipedia:Reference_desk.2FArchives.2FScience.2F2017_April_12.23Feynman_Lectures._Lecture_52._Ch.52-4.2C_Ch.52-5.2C_Ch.52-6_Reflection_symmetry_archive.5D|Feynman Lectures. Lecture 52.Ch.52-5 Reflection symmetry 2. archive]]
 * 6) Would effervescent vitamin c tablets still be usable after 20 years?
 * 7) The predictability of humans
 * 8) Distinguishing phytoplankton from zoo plankton
 * 9) 1.0x magnification lens - what is the purpose?
 * 10) Jellyfish evolving into land creatures
 * 11) Why does Defibrillator has two stickers to attach the chest of a victim?
 * 12) Near Earth object flybys and statistical oddities

= April 21 = Reference_desk/Archives/Science/2017 April 21


 * 1) Mars the Orange Planet
 * 2) Constraint vs Restraint (Physics and Maths)
 * 3) Scientific knowledge
 * 4) Specialty or profession
 * 5) Identifiable whisperers

= April 22 = Reference_desk/Archives/Science/2017 April 22


 * 1) Making big chicken breasts
 * 2) Would sleep deprivation, weed or drunkness change an eyeglass prescription?
 * 3) Time travel paradoxes
 * 4) Feynman lectures authorship and copyright
 * 5) Virtual urge to urinate after drinking water
 * 6) Is the longitude linear in time when I throw a ball in an angle?

= April 23 = Reference_desk/Archives/Science/2017 April 23


 * 1) Climategate 2.0: New E-Mails Rock The Global Warming Debate
 * 2) A fish like this
 * 3) Why are there two types of oxygen based on the agreement of spins in different orbitals?
 * 4) The science of making vegetables taste like meat

= April 24 = Reference_desk/Archives/Science/2017 April 24


 * 1) History of science, fringe theories
 * 2) Measuring a blow to a ball
 * 3) Classic American Cars

= April 25 = Reference_desk/Archives/Science/2017 April 25


 * 1) Why??
 * 2) Is there a deeper rail canyon (compare street canyon) in the world than the Chicago El?

= April 26 = Reference_desk/Archives/Science/2017 April 26


 * 1) Intermodal container
 * 2) Installing a new thermostat on a 240V household heater
 * 3) Cargo spacecraft visiting the ISS
 * 4) Stowaway on a trip to space
 * 5) video
 * 6) CO2 nose tingling
 * 7) AC Transformer Ratings

= April 27 = Reference_desk/Archives/Science/2017 April 27


 * 1) Portion control, food rationing, and economics
 * 2) How are hard jelly sweets made?
 * 3) Can people still lose weight eating junk food?
 * 4) The asteriod impact that wiped out the dinosaurs

= April 28 = Reference_desk/Archives/Science/2017 April 28


 * 1) Girls having more moles on arms
 * 2) Wind rose
 * 3) Is "queen ant" or "queen bee" accurate or anthropomorphizing bees and ants?
 * 4) Quite an attachment?
 * 5) Alien fungus?
 * 6) Question about the Time Dilation

= April 29 = Reference_desk/Archives/Science/2017 April 29


 * 1) Perseid meteor shower and other meteor showers, could it be from the Earth/Moon breakup?
 * 2) Is there a name for this mental defect ?
 * 3) Cold bouncy balls
 * 4) Firefly question
 * 5) If jetliner pilots both die soon after giving autopilot the controls on a SYD(morning)-LAX nonstop?
 * 6) Eating a small amount of sugar and carbs while in starvation induced ketosis?
 * 7) Air pressure in soccer ball, less than 1 bar

= April 30 = Reference_desk/Archives/Science/2017 April 30


 * 1) Feed conversion ratio / Efficiency of food conversion
 * 2) Why are multicellular, eukaryotic organisms more difficult to kill than prokarotic, unicellular organisms?
 * 3) Life on the sun/stars
 * 4) [[Wikipedia:Reference_desk/Archives/Science/2017 April 30#Feynman_Lectures._Exercises_.5Bhttp:.2F.2Ftheswissbay.ch.2Fpdf.2FGentoomen.2520Library.2FExtra.2F_1964.5D._Exercise_.5Bhttps:.2F.2Fhtml2-f.scribdassets.com.2Feibnqst4w4bgnuc.2Fimages.2F7-ef915d7573.jpg_1-3.5D|Feynman Lectures. Exercises 1964. Exercise 1-3]]
 * 5) Pouring hot water into a glass with a spoon inside
 * 6) Separately living transitional species