Results 141 to 150 of about 419,190 (333)

Downconversion Master Slave OCT With a Bidirectional Sweeping Laser

open access: yesJournal of Biophotonics, EarlyView.
ABSTRACT This paper explores the challenges of signal processing when using optical coherence tomography (OCT) imaging instruments driven by asymmetric MHz bidirectional sweeping lasers. A downconversion master–slave (DMS) method is proposed as a viable alternative to the traditional OCT protocol.
A. Martinez Jimenez   +8 more
wiley   +1 more source

". . . and six hundred thousand men were dead." [PDF]

open access: yes
The dispute that resulted in the secession of eleven Southern states from the Union and the ensuing Civil War proximately concerned the geographical expansion of slavery, but ultimately bore on the existence of the institution of slavery itself.
Herschel I. Grossman
core  

Navigating and reframing tensions within equity‐centered learning health systems

open access: yesLearning Health Systems, EarlyView.
Abstract Introduction Canada recently joined a growing list of countries that are establishing national collaboratives to exchange knowledge on and scale learning health systems (LHSs) across geographies and sectors. The first symposium of the pan‐Canadian Learning Health Hub was held in June 2024 and included a keynote presentation and breakout ...
Ibukun‐Oluwa Omolade Abejirinde   +1 more
wiley   +1 more source

The Underground Railroad from Slavery to Freedom

open access: green, 1899
Samuel Thomas Pickard   +2 more
openalex   +2 more sources

Middle Passage to Freedom: Black Atlantic Consciousness in Charles Johnson\u27s Middle Passage and S. I. Martin\u27s Incomparable World [PDF]

open access: yes, 2003
Charles Johnson\u27s novel, Middle Passage, and S.I. Martin\u27s novel, Incomparable World, illustrate through mobile, culturally hybrid protagonists Paul Gilroy\u27s notion of Black Atlantic consciousness, which is based on cultural hybridity and ...
Nowatzki, Robert
core   +1 more source

Beyond Moral Outrage: The Role of the Ingroup in Online Condemnations

open access: yesPsychology &Marketing, EarlyView.
ABSTRACT Although expressions of condemnation are pervasive on social media and often shape the narratives of traditional news outlets, brands continue to struggle with predicting and managing these responses effectively. To address this challenge, it is crucial to first understand the underlying reasons for such behavior.
Jeff D. Rotman   +3 more
wiley   +1 more source

The Roads To and From Serfdom [PDF]

open access: yes
The institution of slavery displays a puzzling historical pattern: it is found mostly at intermediate stages of agricultural development, in horticultural societies, and less frequently among hunter-gatherers and societies at more advanced agrarian ...
Nils-Petter Lagerlof
core  

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