The Conservative Side of the Natural Science

2019 ◽  
Author(s):  
Adib Rifqi Setiawan

Natural scientist — like physicist and biologist — may think themselves as liberal. They seem, however, to have a strong conservative that impacts diversity in research and unity in thinking. I explored why this conservative in direction exists in the literature and the implications that it has on our — as human — choices for research and thinking about nature. My exploration revealed that the directional conservative expressed by ‘conserved from species X to human’ that indicate from lower to higher organism. In physics, as well, the directional conservative expressed by ‘make a Y or Z from modern physics theory analogous to the classical one’ that indicate we are still working to figure out the details of how classical physics emerge from the modern domain. It implications on our choices for research is make us feel confusion to answer questions like: ‘Can one have atoms in which the nucleus is a tiny primordial black hole formed in the early universe?’ in physics, nor ‘If human have free will, where in the evolutionary tree did it develop?’ in biology. The conservative also implicates on our thinking about nature that hard to imagine how free will can operate if our behavior — as ‘higher’ organism — is determined by physical law based on our understanding of the molecular basis of biology.

2019 ◽  
Vol 79 (12) ◽  
Author(s):  
A. Ejlli ◽  
D. Ejlli ◽  
A. M. Cruise ◽  
G. Pisano ◽  
H. Grote

AbstractIn this work, we present the first experimental upper limits on the presence of stochastic gravitational waves in a frequency band with frequencies above 1 THz. We exclude gravitational waves in the frequency bands from $$\left( 2.7 - 14\right) \times 10^{14}$$2.7-14×1014 Hz and $$\left( 5 - 12\right) \times 10^{18}$$5-12×1018 Hz down to a characteristic amplitude of $$h_c^{\mathrm{min}}\approx 6\times 10^{-26}$$hcmin≈6×10-26 and $$h_c^{\mathrm{min}}\approx 5\times 10^{-28}$$hcmin≈5×10-28 at 95% confidence level, respectively. To obtain these results, we used data from existing facilities that have been constructed and operated with the aim of detecting weakly interacting slim particles, pointing out that these facilities are also sensitive to gravitational waves by graviton to photon conversion in the presence of a magnetic field. The principle applies to all experiments of this kind, with prospects of constraining (or detecting), for example, gravitational waves from light primordial black-hole evaporation in the early universe.


2019 ◽  
Vol 2019 (02) ◽  
pp. 018-018 ◽  
Author(s):  
Martti Raidal ◽  
Christian Spethmann ◽  
Ville Vaskonen ◽  
Hardi Veermäe

2019 ◽  
Vol 46 (3) ◽  
pp. 97-99
Author(s):  
V. V. Nikulin ◽  
S. G. Rubin ◽  
A. A. Kirillov ◽  
L. A. Khromykh

2016 ◽  
Vol 31 (12) ◽  
pp. 1650064 ◽  
Author(s):  
Paul H. Frampton

We investigate Primordial Black Hole (PBH) formation by which we mean black holes produced in the early Universe during radiation domination. After discussing the range of PBH mass permitted in the original mechanism of Carr and Hawking, hybrid inflation with parametric resonance is presented as an existence theorem for PBHs of arbitrary mass. As proposed in arXiv:1510.00400, PBHs with many solar masses can provide a solution to the dark matter problem in galaxies. PBHs can also explain dark matter observed in clusters and suggest a primordial origin for Supermassive Black Holes (SMBHs) in galactic cores.


2014 ◽  
Vol 96 (2) ◽  
pp. 206-221
Author(s):  
Jane Apostol

Natural scientist Charles Frederick Holder settled in Pasadena in 1885. As a prolific author, lecturer, and editor, Holder was a key promoter of the region, sport fishing, and natural science. He wrote popular children’s books as well. He is also remembered as an influential figure in education and the arts and as a founder of the Tuna Club on Santa Catalina Island and the Valley Hunt Club in Pasadena and its Tournament of Roses.


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