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Aerodynamics

• Airfoil Design [PDF]
• What Are Wortman Airfoils? [PDF]
• What's New In Low Speed Airfoils? [PDF]

Slide Rules & Abacuses

• Slide Rule Emulators — a collection of online slide rule emulator replicas.
• Soroban Exam — explains how to use and generates exams to help you improve at the Japanese abacus, the soroban.
• Why everyone should learn the slide rule (Scott Locklin)

Genetics & Haplogroups

• Vahaduo — collection of tools for admixture and PCA analysis.
• Distribution maps of Y-chromosomal haplogroups in Europe, the Middle East and North Africa
• Haplogroup E1b1b (Y-DNA) — general overview and summary.
• Haplogroup G2a (Y-DNA) — general overview and summary.
• Haplogroup I1 (Y-DNA) — general overview and summary.
• Haplogroup I2 (Y-DNA) — general overview and summary.
• Haplogroup J1 (Y-DNA) — general overview and summary.
• Haplogroup J2 (Y-DNA) — general overview and summary.
• Haplogroup N1c (Y-DNA) — general overview and summary.
• Haplogroup Q (Y-DNA) — general overview and summary.
• Haplogroup R1a (Y-DNA) — general overview and summary.
• Haplogroup R1b (Y-DNA) — general overview and summary.
• Haplogroup T (Y-DNA) — general overview and summary.
• Race science infographics archive [biology, genetics, anthropology, etc] (thuletide)

Miscellaneous

• Anomalous Mental Phenomena Research in Russia and The Former Soviet Union: A Follow Up [PDF] (Edwin C. May, Larissa Vilenskaya)
• Biological Anomalies (Scott Locklin)
• The Foundations of Arithmetic: A Logico-mathematical enquiry into the concept of number [PDF] (Gottlob Frege)
• The Physicists: a history of a scientific community in modern America (Scott Locklin)
• Nano-nonsense: 25 years of charlatanry (Scott Locklin)

Ballistics & Gunnery

• Pew Pew Tactical — Ballistics understand what your rounds actually do.
• Federal Premium Ballistics manufacturer ballistics data.

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