Complete Clue List
Across
8. The genus of trees commonly known as maple (4)
9. ___ Lovelace, mathematician who worked with Charles Babbage on his mechanical computer (3)
10. Nuclear weapons unleashed on Japanese cities in 1945 (1-5)
11. Chemical substance with a pH value of more than 7 (6)
12. Rulers with crosspieces at one end, used in making parallel lines (1-7)
13. The distribution of colors produced when light is dispersed by a prism (7,8)
15. Gottlieb ___, German engineer and car manufacturer who invented the internal combustion engine (7)
17. Technical term for the shoulder blade (7)
20. Ornithologist who wrote "A Field Guide to Nests and Eggs of Australian Birds" in 1980 (6,9)
23. French physicist Léon ___ devised a pendulum in 1851 to demonstrate the Earth's rotation (8)
25. Alan Mathison ___, British mathematician who in WWII helped decipher the German Enigma codes (6)
26. English physicist Bernard ___ was appointed President of the Royal Astronomical Society in 1969 (6)
27. A wing like structure (3)
28. Albert Einstein married his second wife ___ Lowenthal in 1919 (4)
Down
1. John ___, science fiction author whose book "Redshirts" won the 2013 Hugo Award for Best Novel (6)
2. An individual animal, plant, or single-celled life form (8)
3. Dutch physicist, whose 1738 book "Hydrodynamica" described the mechanics of moving water (6,9)
4. A cervical smear for early diagnosis of uterine cancer (3,4)
5. French oceanographer who devised the scuba apparatus with Émile Gagnan (7,8)
6. Hard silvery-white magnetic metal, given atomic number 27 (6)
7. A woodwind instrument with a double-reed mouthpiece (4)
14. Address that shows where a particular page can be found on the World Wide Web (3)
16. Rock Formations, consisting of monolithic boulders on the island of Aruba (3)
18. Charles J. ___, American scientist awarded the 1987 Nobel Prize in Chemistry (8)
19. George ___, English botanist awarded the Clarke Medal by the Royal Society of NSW in 1879 (7)
21. Sophie Charlotte ___, German-born Australian botanist awarded the Mueller Medal in 1996 (6)
22. Physicist ___ Rutherford was awarded the 1908 Nobel Prize in Chemistry (6)
24. Science fiction author of "The Threat from the Sea" novels, Mel ___ (4)