Wikipedia:Reference desk/Archives/Science/July 2024

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July 1

Wikipedia:Reference_desk/Archives/Science/2024 July 1

1. What are the defining characteristics of the bird clade “telluraves” + what distinguishes birds in its subclade “australaves” from the other subclade, “afroaves”?

July 2

Wikipedia:Reference_desk/Archives/Science/2024 July 2

1. Does any company still make black and white TVs?

July 6

Wikipedia:Reference_desk/Archives/Science/2024 July 6

1. wildlife and heat

July 7

Wikipedia:Reference_desk/Archives/Science/2024 July 7

1. Average reading speed?
2. Bird in Madagascar that resembles a black chicken with webbed feet

July 8

Wikipedia:Reference_desk/Archives/Science/2024 July 8

1. Japanese basal temperature unit OV
2. Hillock of His/Hiss

July 10

Wikipedia:Reference_desk/Archives/Science/2024 July 10

1. Kuiper Belt ice cube
2. Summation of alcoholic percentages

July 11

Wikipedia:Reference_desk/Archives/Science/2024 July 11

1. Why is the universe not fractal?
2. Is nociplastic pain same as neuroplastic pain?
3. Does the velocity of an electromagnetic wavefront depend on the medium?

July 12

Wikipedia:Reference_desk/Archives/Science/2024 July 12

1. Uncertainty principle & H atom

July 13

Wikipedia:Reference_desk/Archives/Science/2024 July 13

1. On the discovery of tantalum

July 15

Wikipedia:Reference_desk/Archives/Science/2024 July 15

1. The holy grail of hydrogen

July 16

Wikipedia:Reference_desk/Archives/Science/2024 July 16

1. Next Julian period

July 17

Wikipedia:Reference_desk/Archives/Science/2024 July 17

1. Identify some trees?

July 18

Wikipedia:Reference_desk/Archives/Science/2024 July 18

1. Identify some more trees?
2. Lorentz transformations.

July 19

Wikipedia:Reference_desk/Archives/Science/2024 July 19

1. Virgo Cluster in Observable Universe
2. COVID - Natural Immunity vs Vaccination
3. Is the relativistic transformation, between two non-rotating non-inertial reference frames, linear?

July 20

Wikipedia:Reference_desk/Archives/Science/2024 July 20

1. Element bonding
2. Big Bang vs supernatural creation
3. Length contraction

July 21

Wikipedia:Reference_desk/Archives/Science/2024 July 21

1. Microplastics detachment
2. Colors. (The Color Painter)

July 24

Wikipedia:Reference_desk/Archives/Science/2024 July 24

1. The challenge of space surgery
2. (Zero) Gravity

July 25

Wikipedia:Reference_desk/Archives/Science/2024 July 25

1. Vicarization
2. Fels-Naptha

July 26

Wikipedia:Reference_desk/Archives/Science/2024 July 26

1. Absorption of matter, without changing the absorber's restmass. Possible?

July 27

Wikipedia:Reference_desk/Archives/Science/2024 July 27

1. Grooming behavior
2. What's the opposite of "sticky"?

July 28

Wikipedia:Reference_desk/Archives/Science/2024 July 28

1. What is the geological composition of Lascaux?
2. Conserving the kinetic energy, without conserving the momentum. Possible?

July 29

Wikipedia:Reference_desk/Archives/Science/2024 July 29

1. Access to reference 9 in Petrichor
2. The fastest Internet speed during rain?
3. Historic (pre-1800s) Wildfires in California

July 30

Wikipedia:Reference_desk/Archives/Science/2024 July 30

1. Rare quasi-cancer disease in children

July 31

Wikipedia:Reference_desk/Archives/Science/2024 July 31

1. Is there any simple necessary sufficient condition that conserves kinetic energy, without mentioning kinetic energy?
2. Is there any simple necessary sufficient condition, that conserves a given system's total energy, without mentioning energy/mass?