Wikipedia:Reference desk/Archives/Science/April 2019

= April 1 = Reference_desk/Archives/Science/2019 April 1


 * 1) Remoteness in space

= April 2 = Reference_desk/Archives/Science/2019 April 2


 * 1) Does a quantum vacuum slow down light a little?
 * 2) Railway building in Japan
 * 3) What are the small swarming flying insects I sometimes encounter in the woods?

= April 3 = Reference_desk/Archives/Science/2019 April 3


 * 1) Bird or butterfly?
 * 2) Regarding selection rules

= April 4 = Reference_desk/Archives/Science/2019 April 4


 * 1) Origin of "natural history"
 * 2) Crystal structure of a gas

= April 5 = Reference_desk/Archives/Science/2019 April 5


 * 1) The life expectancy of transgender people
 * 2) axial tilt and orbital inclination

= April 6 = Reference_desk/Archives/Science/2019 April 6


 * 1) Welding two copper pieces together.

= April 7 = Reference_desk/Archives/Science/2019 April 7


 * 1) Electric fan vs propeller

= April 8 = Reference_desk/Archives/Science/2019 April 8


 * 1) Why do asteroids avoid Earth's inclination?
 * 2) Is there theoretically a way to somehow permanently modify one's body so that one could eat however much one wanted without ever gaining weight?
 * 3) mechanical car
 * 4) If people with longevity genes are going to reproduce much more than the general population, are we going to see a massive increase in the number of 120+ year olds?

= April 9 = Reference_desk/Archives/Science/2019 April 9


 * 1) Medicine prices US vs the world
 * 2) Hole in Eastern deer tick distribution

= April 10 = Reference_desk/Archives/Science/2019 April 10


 * 1) Dark matter in subatomic particles
 * 2) Laptop batteries Wh and mAh
 * 3) Why do filling stations sell by volume (and not by mass)?

= April 11 = Reference_desk/Archives/Science/2019 April 11


 * 1) Flight planning
 * 2) X and Y chromosomes versus others in genetic diversity

= April 12 = Reference_desk/Archives/Science/2019 April 12


 * 1) What is the output of a radio telescope observation?

= April 13 = Reference_desk/Archives/Science/2019 April 13


 * 1) Mean corpuscular hemoglobin concentration (MCMH)
 * 2) Hemispatial neglect, and turning 180 degrees
 * 3) Heat from heat lamps vs heat from heaters

= April 14 = Reference_desk/Archives/Science/2019 April 14


 * 1) Neutrinos interacting

= April 15 = Reference_desk/Archives/Science/2019 April 15


 * 1) Ocean rocket launches.
 * 2) Foam dropping on the roof in the Notre Dame fire

= April 16 = Reference_desk/Archives/Science/2019 April 16


 * 1) How to prove flat Earth
 * 2) hibernation
 * 3) When was and for how long was the background radiation around room temperature?
 * 4) Effect of path of Bluetooth cable on signal strength

= April 17 = Reference_desk/Archives/Science/2019 April 17


 * 1) Interstellar Propulsion

= April 18 = Reference_desk/Archives/Science/2019 April 18


 * 1) illegal street drugs causing death
 * 2) Odd TV antenna behavior

= April 19 = Reference_desk/Archives/Science/2019 April 19


 * 1) Fear of too many moving objects
 * 2) Double bass sound

= April 20 = Reference_desk/Archives/Science/2019 April 20


 * 1) TFA?

= April 21 = Reference_desk/Archives/Science/2019 April 21


 * 1) Calling all copy editors and content creators

= April 23 = Reference_desk/Archives/Science/2019 April 23


 * 1) Seasonal day length variation
 * 2) Universe

= April 26 = Reference_desk/Archives/Science/2019 April 26


 * 1) "Joules per mole of charge"
 * 2) Scientifically speaking, is it possible to clone the dead?
 * 3) Why is electricity harmless to dry intact skin below several tens of eV but air does damage above ~0.03eV and sunlight's harmless at 2eV?
 * 4) Rapid deterioration in ill people

= April 27 = Reference_desk/Archives/Science/2019 April 27


 * 1) Can neutron stars be broken up?
 * 2) Geography question—What counts as bordering? (Samara Oblast)

= April 28 = Reference_desk/Archives/Science/2019 April 28


 * 1) Photo of black hole in M87
 * 2) Camouflage and chromatophores
 * 3) Heat and Sound Conduction Through Air
 * 4) Helium hydride ions
 * 5) Bumblebee species classification