Help please!!!
54 across: Emmission of light caused by incident light, infra red or ultra violet(17)I am thinking photoluminescence as I have p?o?o???i?e?c?n?e but this means my answer to 29 down is wrong! I have change ones mind(clue is 'show a shift in attitude 6,4,4' but this doesnt fit with photoluminescence which would give U as the second letter of the third word.