Results 91 to 100 of about 10,930 (306)

Design, analysis and reformulation of a didactic sequence for teaching the special theory of relativity in high school

Revista Brasileira de Ensino de Física
In this work, we design, implement and analyze a didactic sequence for the teaching of the basic topics of special relativity theory in high school. The sequence proposes a series of situations, specially designed to allow the emergence of the central ...
María Rita Otero, Marcelo Arlego, Fabiana Prodanoff   +2 more
doaj   +1 more source

Oral surveillance and JAK inhibitor safety: the theory of relativity. [PDF]

Nat Rev Rheumatol, 2022
Winthrop KL, Cohen SB.
europepmc   +1 more source

Engineered extracellular vesicles enriched with the miR‐214/199a cluster enhance the efficacy of chemotherapy in ovarian cancer

Molecular Oncology, EarlyView.
Loss of the miR‐214/199a cluster is associated with recurrence in ovarian cancer. Engineered small extracellular vesicles (m214‐sEVs) elevate miR‐214‐3p/miR‐199a‐5p in tumor cells, suppress β‐catenin, TLR4, and YKT6 signaling, reprogram tumor‐derived sEV cargo, reduce chemoresistance and migration, and enhance carboplatin efficacy and survival in ...
Weida Wang, Ayesha Alvero, Yi Qin, Mingjin Wang, Alexandra Fox, Yanfeng Li, Michael Millman, Amy Kemper, Gil Mor, Xian Shuang Liu, Michael Chopp, Zheng Gang Zhang, Yi Zhang   +12 more
wiley   +1 more source

A Glimpse of Special Theory of Relativity [PDF]

, 2017
This article provides a brief outline of Special Theory of Relativity. The physics before the relativity, the special relativity in itself, and the consequences of special relativity are discussed ...
Dahal, Arjun
core  

Dialectic of the Theory of Relativity

, 1955
In his recent work, “An Inquiry into a New Methodology of Theoretical Physics”, the writer of the present paper argued in the first place, that the system of complex numbers, unlike the system of real numbers, has the moment of self-negation in itself ...
田邊, 元
core   +1 more source

IMPDH inhibition enhances cytarabine efficacy in SAMHD1‐expressing leukaemia cells via guanine nucleotide depletion

Molecular Oncology, EarlyView.
Cytarabine is a key therapy for acute myeloid leukaemia (AML), but its efficacy is limited by the dNTPase SAMHD1, which hydrolyses its active metabolite. Screening nucleotide biosynthesis inhibitors revealed that IMPDH inhibitors selectively sensitise SAMHD1‐proficient AML cells to cytarabine.
Miriam Yagüe‐Capilla, Christopher Dirks, Caroline Eiden, Sonja K. Fesenmayer, Femke M. Hormann, Yolande Klootsema, Ingrid Lilienthal, Si Min Zhang, Nikolas Herold, Sean G. Rudd   +9 more
wiley   +1 more source

Parameterized Special Theory of Relativity (PSTR)

, 2012
We have parameterized Einstein’s thought experiment with atomic clocks, supposing that we knew neither if the space and time are relative or absolute, nor if the speed of light was ultimate speed or not. We have obtained a Parameterized Special Theory of
Smarandache, Florentin
core   +1 more source

Relativity as Support for Presentism: A Modest Evidential Argument [PDF]

, 2013
Presentism is roughly the view that only the present exists. This view requires an absolute simultaneity relation. The special theory of relativity, however, is highly successful and does not account for absolute simultaneity.
Nasmith, Benjamin B
core  

Physical Justifications and Possible Astrophysical Manifestations of the Projective Theory of Relativity

Universe, 2019
The ‘projective theory of relativity’ is a theory developed historically by Oswald Veblen and Banesh Hoffmann, Jan Arnoldus Schouten and David van Dantzig.
Jacques L. Rubin
doaj   +1 more source

Electrodynamics in the General Relativity Theory [PDF]

Proceedings of the National Academy of Sciences, 1924
The restricted relativity theory resulted mathematically in the introduction of pseudo-euclidean four-dimensional space and the welding together of the electric and magnetic force vectors into the electromagnetic tensor. Einstein's general relativity theory led to the assumption that the fourdimensional space mentioned above is a curved space and the ...
openaire   +3 more sources