This crossword No. 25505 clues and answers were published on Wed 14 Dec 2011 and the puzzle can be visited by following The Guardian Cryptic Crossword No. 25505 link.
All Across Clues and Answers:
8-across – One admitted a Nobel explosive leads to pulverised body parts : BONEMEAL
9-across – Third element of uncertainty principle gripped German physicist : PLANCK
10-across – Key test about to reveal smallest particle : ATOM
11-across – Helium alone can be this; or Coca-Cola, according to some? : SUPERFLUID
12-across – Steady state system originally anticipated by East Germans of intelligence : STASIS
14-across – Quiet, originally unorthodox Tesla’s eccentricity varies in intensity : PULSATES
15-across – Express disapproval of unrewarding type of logic : BOOLEAN
17-across – Very hard computer programming language? Prayer is of no use! : ADAMANT
20-across – Community programme involves university lecture about electrical resistance : OUTREACH
22-across – Scotty, perhaps, imprisoned by Vulcan in engine room : CANINE
23-across – Experimentally, it’s nicest to team up with some top boffins : SCIENTISTS
24-across – Old South African or Danish physicist is heard : BOER
25-across – Extremely small measurement causing Greek character to go without love : MICRON
26-across – A South Slav doing combinatorial analysis, not limbo dancing : CROATIAN
All Down Clues and Answers:
1-down – Like Knox, perhaps, pair find the Ultimate Answer : FORTYTWO
2-down – Light showing on the dial? : BEAM
3-down – Perhaps contacts the French about nuclear antagonists : LENSES
4-down – Siemens starting to provide support for upcoming students making mistakes : SLIPUPS
5-down – In US dramatically increased despair spread about nuclear core : SPIRALED
6-down – Transport worker’s course in laminar flow : RAILWAYMAN
7-down – Argentinian revolutionary conceals carbon which is emitting radiation : ACTIVE
13-down – Long periods when engineering salary rose : SOLARYEARS
16-down – Making changes to American distributed array processor, no longer hot device : ADAPTING
18-down – Type of element that is unstable mostly and molten : NONMETAL
19-down – Study of matter, energy and gas reportedly turning science upside down : PHYSICS
21-down – Get something straight: society needs free petroleum! : UNCOIL
22-down – Many large moons oddly observed in the universe : COSMOS
24-down – Graduate’s written about alien constellation’s second star : BETA
This crossword has in total 28 where 14 are across and 14 are down.