Stunning images of microscopic brain cells, mating leaf frogs and a robot teacher are among the finalists in the Engineering and Physical Sciences Research Council Photography Competition.

The winning entry, by Diana Craik at the University of Oxford, shows a micro-fabricated chip in a quantum computer.

a microwave ion-trap chip for quantum computation, which won first place in the Eureka category and overall winner in the EPSRC Science Photo Competition.
(Diana Prado Lopes Aude Craik/EPSRC/PA)

A photograph of neurological connections between developing brain cells, which could help stem cell research to treat Parkinson’s and other neurodegenerative diseases, won second place.

An “iCub” humanoid robot playing with a baby and a pair of endangered Costa Rican lemur leaf frogs are among the other finalists.

Here’s the full array of pictures…

1. This layer of Titanium dioxide caught the eye

Dark field light microscopy picture of a 40 nm thick electrodeposited TiO2 layer, focusing on developing sustainable fuels, such as hydrogen, through water splitting reactions, which won second place in the Equipment category in the EPSRC Science Photo Competition.
(Katarzyna Sokol/EPSRC/PA)

2. And this quantum computer chip was the winner

a microwave ion-trap chip for quantum computation, which won first place in the Eureka category and overall winner in the EPSRC Science Photo Competition.
(Diana Prado Lopes Aude Craik/EPSRC/PA)

3. These endangered Costa Rican lemur leaf frogs cycle between those two colours on a daily basis

a mating pair of critically endangered Costa Rican lemur leaf frogs displaying the two colourations the frogs cycle between on a daily basis, which won third place in the Eureka category and overall winner in the EPSRC Science Photo Competition.
(Chris Blount/EPSRC/PA)

4. Guess what this is?… Sub-micron particles on a human tooth

sub-micron particles on the surface of a human tooth, which won second place in the Weird and Wonderful category in the EPSRC Science Photo Competition.
(Nina Vyas/EPSRC/PA)

5. That’s an oscillating microbubble

fluid streams from an oscillating microbubble, which won second place in the Innovation category in the EPSRC Science Photo Competition.
(Dr Dario Carugo/EPSRC/PA)

6. These London underground workers won second place in the People category

workers in a London underground tunnel, which won second place in the People category in the EPSRC Science Photo Competition.
(Akos Revesz/EPSRC/PA)

7. This is what developing brain cells look like…

developing brain cells, which won second place in the Eureka category in the EPSRC Science Photo Competition.
(George Joseph/EPSRC/PA)

8. A micro-metal flower won third place in Weird and Wonderful

A micro-metal flower, which won third place in the Weird and Wonderful category in the EPSRC Science Photo Competition
(Dr Dhayalan Shakthivel/EPSRC/PA)

9. That’s a ‘spike’ wave, created by combing over 2000 waves into a central focus

a 9.5m ÔSpikeÕ wave, taken by Stuart Brown, which is created by combining more than 2000 waves into a central focus and is analogous to a two-dimensional supernova, won first place in the Equipment category in the EPSRC Science Photo Competition.
(Stuart Brown/EPSRC/PA)

10. This is no ordinary plasma column, it’s one million degrees Celsius…

a laser image of a million degree celsuis plasma column, which won third place in the Innovation category in the EPSRC Science Photo Competition.
(Jack Hare/EPSRC/PA)

11. Light-matter interaction using a high-finesse optical ring cavity and cold atoms

light-matter interaction using a high-finesse optical ring cavity and cold atoms, which won third place in the Equipment category in the EPSRC Science Photo Competition.
(Andreas Lampis/EPSRC/PA)

12. A glimpse into the future…

an iCub robot learning how to play from a child, which won first place in the People category in the EPSRC Science Photo Competition.
(Dr Patricia Shaw/EPSRC/PA)

13. A viscoelastic jet of rotating liquid, the winner of Weird and Wonderful

a rotating jet of a viscoelastic liquid, which won first place in the Weird and Wonderful category in the EPSRC Science Photo Competition.
(Professor Omar Matar/EPSRC/PA)

14. Children welcome earthquake engineering researchers in Nepal

children welcoming earthquake engineering researchers to Lapsibot in Nepal, which won third place in the People category in the EPSRC Science Photo Competition.
(Dr Sean Wilkinson/EPSRC/PA)

15. Engineering student Karen Yu working on the ultra-precise ultrafast laser system

engineering PhD student Karen Yu working on the ultra-precise ultrafast laser system, which won first place in the Innovation category in the EPSRC Science Photo Competition
(Jonathon Parkins/EPSRC/PA)