Linus Liang, Naganand Murty, Rahul Panicker, Razmig Hovaghimian, and Jane Chen - "Embrace Infant Warmer", thermal regulation infant warmer for premature and underweight born children 2013 winners The 2013 Index Award broke all previous records by receiving 1,022 entries for the competition from 73 countries, of which the Jury chaired by Mikal Hallstrup selected 59 for nomination and participation in The Index Award Exhibition in Rosenborg Castle Gardens. The winners, announced at the award ceremony on 29 August at Kulturværftet in Elsinore under the attendance of Mary, Crown Princess of Denmark, were: Body Category: Laerdal Global Health - "The Natalie Collection", a trio of birth simulating devices preventing child and maternal death Home Category: Kavita Shukla - "FreshPaper", a simple sheet of paper keeping produce fresh 4 times longer Work Category: The city of Copenhagen - "Copenhagen Climate Adaptation Plan", the Danish capital's pioneering plan of how to address the changing climate Play & Learning Category: Eben Upton, University of Cambridge - "Raspberry Pi", a $25 computer aiming to digitalise the world Community Category: Daan Roosegaarde - "Smart Highway", intelligent roads that communicate with its drivers promoting both traffic safety and traffic efficiency People's Choice Award: "Smart Highway" after a close vote on CNN.com 2015 winners The 2015 Index Award were presented at Kulturværftet in Elsinore on 27 August, honouring five winners among the 46 shortlisted finalists chosen from a pool of 1123 entries from 72 countries. The winners were: Body Category: Peek Vision - "Peek Retina", a portable eye examination kit that uses apps Home Category: Elon Musk - "Tesla Powerwall", a rechargeable battery that aims to revolutionise energy generation Work Category: Sky Greens - "Sky Urban Vertical Farming System", a low-carbon, water-driven vertical farm that alleviates environmental impact Play & Learning Category: Luis von Ahn for Duolingo, free language-learning apps Community Category: Boyan Slat - "The Ocean Cleanup Array", a system to sustainably clean up plastic pollution from the world's oceans People's Choice Award: William Janssen - "Desolenator", a mobile, solar energy driven water purifier 2017 winners The 2017 Index Award was presented at Kulturværftet in Elsinore on September 1, 2017, with Alice Tumler as the hostess. Out of 1,401 nominations from 85 countries, 56 were selected as finalists and five of these won an Index Award. Each winner received €100,000 for further development of their design. The winners were: Body Category: Zipline - "Zipline", a drone delivery