Complete Clue List
Across
1. American physicist, co-winner of the 1959 Nobel Prize in Physics (4,11)
9. A powerful circular current of water, the result of conflicting tides (9)
10. Relating to geologic periods that precede the appearance of life (5)
11. Canadian scientist Richard ___ received the (INNS) President's Award in 2003 (6)
12. Cut a pattern into a smooth metal surface, using acid or a sharp instrument (4)
13. The compass point midway between south and south-east (initials) (3)
14. Steven ___ American engineer, and inventor of the first self-contained digital camera (6)
16. Slender U-shaped pieces of wire, or sharply curving bends in roads (8)
19. The ___ muscle is located in the front of the neck, and depresses the hyoid (8)
20. Thomas ___, US inventor of the phonograph and incandescent electric light (6)
22. Edwin ___, American physicist who shared the Nobel Prize in Chemistry in 1951 (8)
24. A hard crystalline metamorphic form of limestone, used in sculpture and architecture (6)
27. In probability theory, "The Law of the unconscious statistician" (acronym) (5)
28. An atom or molecule that has lost or gained one or more electrons (3)
29. A series of tablet computers designed, developed and marketed by Apple since 2010 (5)
30. German physicist, awarded the 1901 Nobel Prize in Physics (No umlaut - Anglicised spelling) (7,8)
Down
1. The movement of molecules through a membrane (7)
2. Hermann ___, German physicist who wrote "Zwei Formen von Spectrographen" in 1889 (5)
3. The branch of astrophysics that studies the origin and structure of the universe (9)
4. Scientific research satellite (EOS CH-1), in orbit around the Earth (4)
5. American physicist Henry A. ___ was appointed Chairman of the National Research Council in 1920 (8)
6. American astrophysicist Franklin E ___ was awarded the Department of Commerce Gold Medal 1961 (5)
7. The study of the physical properties of sound (9)
8. The positively charged dense centre of an atom (7)
15. An alloy that is 98% lead and 2% arsenic, used in making small shot (4,5)
17. The emission of energy as electromagnetic waves (9)
18. A lustrous high strength transition metal, and chemical element (atomic number 22) (8)
19. "Electric current is proportional to voltage and inversely proportional to resistance" (4,3)
21. Danish physicist Holger Bech ___, was awarded the Humboldt Prize for physics in 2001 (7)
23. Nathanael ___, German scientist and owner of 18th-century mineral collection "Leskean Cabinet" (5)
25. The 1915 Nobel Prize in Physics was shared by a father and his son, family name ___ (5)
26. Akira ___, Japanese scientist awarded the Canada Gairdner International Award in 2017 (4)