U.S. President Barack Obama (R) speaks with Ruchi Pandya from San Jose, California, who was born congenital scoliosis, about her nanotechnology project to test biological samples as Obama plays host to the 2015 White House Science Fair at the White House in Washington, March 23, 2015. REUTERS/Jonathan Ernst 

U.S. President Barack Obama (C) speaks with Ruchi Pandya from San Jose, California, who was born congenital scoliosis, about her nanotechnology project to test biological samples as Obama plays host to the 2015 White House Science Fair at the White House in Washington, March 23, 2015. REUTERS/Jonathan Ernst 

U.S. President Barack Obama (R) speaks with Ruchi Pandya from San Jose, California, who was born congenital scoliosis, about her nanotechnology project to test biological samples as Obama plays host to the 2015 White House Science Fair at the White House in Washington, March 23, 2015. REUTERS/Jonathan Ernst 

Anagog, an Israeli parking app, is seen on a smartphone in this photo illustration taken in Tel Aviv February 18, 2015. When it comes to helping drivers, there's no shortage of in-car technology from GPS navigation to collision-warning systems. But now start-ups are tackling a perennial source of frustration -- finding a parking space. Picture taken February 18, 2015. To march TECH-ISRAEL/PARKING REUTERS/Nir Elias (ISRAEL - Tags: SCIENCE TECHNOLOGY TRANSPORT BUSINESS) 

A nano Bible is displayed at TowerJazz Semiconductor in Migdal Haemek in northern Israel October 29, 2014. The nano sized New Testament developed by an Israeli company has been nominated for the Guinness Book of Records as the World's Smallest Bible, the company said on Tuesday. Jerusalem nano Bible company said it developed a chip smaller than five by five millimetres, which contains the original Greek version of the New Testament (Textus Receptus, or "received text" in Latin). Picture taken October 29, 2014. REUTERS/Amir Cohen (ISRAEL - Tags: RELIGION SCIENCE TECHNOLOGY TPX IMAGES OF THE DAY) 

German scientist and Nobel prize winner Stefan Hell poses with a nanoscale microscope at the Max Planck Institute for Biophysical Chemistry in Goettingen October 8, 2014. U.S. citizens Eric Betzig and William Moerner and Germany's Stefan Hell won the 2014 Nobel Prize for Chemistry on Wednesday for smashing the size barrier in optical microscopes, allowing researchers to see individual molecules inside living cells. REUTERS/Kai Pfaffenbach (GERMANY - Tags: SCIENCE TECHNOLOGY TPX IMAGES OF THE DAY)

The logo of nanotechnology company P2i is displayed during an interview with Reuters in Singapore July 31, 2014. P2i, a technology spin-off from Britain's Ministry of Defence, is looking to raise as much as 10 million pounds ($17 million) from Singapore investors as it readies the launch of its "Dunkable" or waterproof technology for smartphones and tablets. Picture taken July 31, 2014. REUTERS/Edgar Su (SINGAPORE - Tags: SCIENCE TECHNOLOGY BUSINESS LOGO) 

P2i's CEO Carl Francis demonstrates a mobile phone, treated with their thin, transparent, splash-resistant polymer coat, functioning in water, during an interview with Reuters in Singapore July 31, 2014. Nanotechnology company P2i, a technology spin-off from Britain's Ministry of Defence, is looking to raise as much as 10 million pounds ($17 million) from Singapore investors as it readies the launch of its "Dunkable" or waterproof technology for smartphones and tablets. Picture taken July 31, 2014. REUTERS/Edgar Su (SINGAPORE - Tags: SCIENCE TECHNOLOGY BUSINESS TELECOMS) 

P2i's CEO Carl Francis speaks to Reuters in Singapore July 31, 2014. Nanotechnology company P2i, a technology spin-off from Britain's Ministry of Defence, is looking to raise as much as 10 million pounds ($17 million) from Singapore investors as it readies the launch of its "Dunkable" or waterproof technology for smartphones and tablets. Picture taken July 31, 2014. REUTERS/Edgar Su (SINGAPORE - Tags: SCIENCE TECHNOLOGY BUSINESS) 

P2i's CEO Carl Francis speaks to Reuters in Singapore July 31, 2014. Nanotechnology company P2i, a technology spin-off from Britain's Ministry of Defence, is looking to raise as much as 10 million pounds ($17 million) from Singapore investors as it readies the launch of its "Dunkable" or waterproof technology for smartphones and tablets. Picture taken July 31, 2014. REUTERS/Edgar Su (SINGAPORE - Tags: SCIENCE TECHNOLOGY BUSINESS) 

Police officers stand guard on the rooftop of International Iberian Nanotechnology Laboratory (INL) during a visit of Spain's Prince Felipe and Princess Letizia in Braga May 31, 2012. Prince Felipe and his wife are on an official three day-visit to Portugal. REUTERS/Miguel Vidal (PORTUGAL - Tags: POLITICS CRIME LAW ROYALS) 

A worker of the International Iberian Nanotechnology Laboratory (INL) talks on a cell phone during a visit of Spain's Prince Felipe and Princess Letizia in Braga May 31, 2012. Prince Felipe and his wife are on an official three-day visit to Portugal. REUTERS/Miguel Vidal (PORTUGAL - Tags: POLITICS ROYALS) 

Spain's Prince Felipe (L) accompanied by Princess Letizia visit the International Iberian Nanotechnology Laboratory (INL) in Braga May 31, 2012. Prince Felipe and his wife are on an official three-day visit to Portugal. REUTERS/Miguel Vidal (PORTUGAL - Tags: POLITICS ROYALS) 

Spain's Prince Felipe (L) accompanied by Princess Letizia visit the International Iberian Nanotechnology Laboratory (INL) in Braga May 31, 2012. Prince Felipe and his wife are on an official three-day visit to Portugal. REUTERS/Miguel Vidal (PORTUGAL - Tags: POLITICS ROYALS) 

Spain's Prince Felipe (front row 2nd R) accompanied by Princess Letizia pose with workers at the International Iberian Nanotechnology Laboratory (INL) in Braga May 31, 2012. Prince Felipe and his wife are on an official three-day visit to Portugal. REUTERS/Miguel Vidal (PORTUGAL - Tags: POLITICS ROYALS) 

Spain's Prince Felipe accompanied by Princess Letizia (C) pose with workers at the International Iberian Nanotechnology Laboratory (INL) in Braga May 31, 2012. Prince Felipeand his wife are on an official three-day visit to Portugal. REUTERS/Miguel Vidal (PORTUGAL - Tags: POLITICS ROYALS) 

Spain's Prince Felipe accompanied by Princess Letizia (C) visit the International Iberian Nanotechnology Laboratory (INL) in Braga May 31, 2012. Prince Felipe and his wife are on an official three-day visit to Portugal. REUTERS/Miguel Vidal (PORTUGAL - Tags: POLITICS ROYALS) 

Spain's Prince Felipe (L) accompanied by Princess Letizia arrive at the International Iberian Nanotechnology Laboratory (INL) in Braga May 31, 2012. Prince Felipe and his wife are on an official three day visit to Portugal. REUTERS/Miguel Vidal (PORTUGAL - Tags: POLITICS ROYALS) 

Russian President Dmitry Medvedev delivers a speech during the Nanotechnology International Forum 2011 in Moscow October 26, 2011. The International Nanotechnology Forum (RUSNANOTECH) is a global venue for the discussion of innovations and issues related to the nanotechnology industry, according to the forum's official Web site. REUTERS/Sergei Ilnitsky/Pool (RUSSIA - Tags: POLITICS SCIENCE TECHNOLOGY) 

Italian anarchists place banners outside the Federal Criminal Court in Bellinzona, July 19, 2011. One Swiss and two Italian suspected far-left militants went on trial on Tuesday accused of planning a foiled bomb attack on an IBM nanotechnology centre in Switzerland. The three people were arrested at a traffic checkpoint near the IBM plant south of Zurich in April, 2010. REUTERS/Fiorenzo Maffi (SWITZERLAND - Tags: CONFLICT SOCIETY) 

Italian anarchists place banners outside the Federal Criminal Court in Bellinzona, July 19, 2011. One Swiss and two Italian suspected far-left militants went on trial on Tuesday accused of planning a foiled bomb attack on an IBM nanotechnology centre in Switzerland. The three people were arrested at a traffic checkpoint near the IBM plant south of Zurich in April, 2010. REUTERS/Fiorenzo Maffi (SWITZERLAND - Tags: CONFLICT SOCIETY) 

A police officer stands outside the Federal Criminal Court in Bellinzona, July 19, 2011. One Swiss and two Italian suspected far-left militants went on trial on Tuesday accused of planning a foiled bomb attack on an IBM nanotechnology centre in Switzerland. The three people were arrested at a traffic checkpoint near the IBM plant south of Zurich in April, 2010. REUTERS/Fiorenzo Maffi (SWITZERLAND - Tags: CONFLICT SOCIETY) 

Police officers stand outside the Federal Criminal Court in Bellinzona, July 19, 2011. One Swiss and two Italian suspected far-left militants went on trial on Tuesday accused of planning a foiled bomb attack on an IBM nanotechnology centre in Switzerland. The three people were arrested at a traffic checkpoint near the IBM plant south of Zurich in April, 2010. REUTERS/Fiorenzo Maffi (SWITZERLAND - Tags: CONFLICT SOCIETY) 

A police officer stands outside the Federal Criminal Court in Bellinzona, July 19, 2011. One Swiss and two Italian suspected far-left militants went on trial on Tuesday accused of planning a foiled bomb attack on an IBM nanotechnology centre in Switzerland. The three people were arrested at a traffic checkpoint near the IBM plant south of Zurich in April, 2010. REUTERS/Fiorenzo Maffi (SWITZERLAND - Tags: CIVIL UNREST CRIME LAW) 

Italian anarchists place banners outside the Federal Criminal Court in Bellinzona, July 19, 2011. One Swiss and two Italian suspected far-left militants went on trial on Tuesday accused of planning a foiled bomb attack on an IBM nanotechnology centre in Switzerland. The three people were arrested at a traffic checkpoint near the IBM plant south of Zurich in April, 2010. REUTERS/Fiorenzo Maffi (SWITZERLAND - Tags: CONFLICT SOCIETY) 

Canadian Prime Minister Stephen Harper protects his ears from a sudden noise at the Alberta Centre for Advanced Microsystems and Nanotechnology Products (ACAMP) during a tour of their facilities in Edmonton October 8, 2010. REUTERS/Dan Riedlhuber (CANADA - Tags: BUSINESS POLITICS SCI TECH) 

Canadian Prime Minister Stephen Harper (L) controls a joystick at the Alberta Centre for Advanced Microsystems and Nanotechnology Products (ACAMP) during a tour of their facilities in Edmonton October 8, 2010. REUTERS/Dan Riedlhuber (CANADA - Tags: BUSINESS POLITICS SCI TECH) 

Canadian Prime Minister Stephen Harper is seen on the viewfinder of a video recorder as he announces funding for the high-tech sector at the Alberta Centre for Advanced Microsystems and Nanotechnology Products (ACAMP) following a tour of their facilities in Edmonton October 8, 2010. REUTERS/Dan Riedlhuber (CANADA - Tags: BUSINESS POLITICS SCI TECH) 

Canadian Prime Minister Stephen Harper announces funding for the high-tech sector at the Alberta Centre for Advanced Microsystems and Nanotechnology Products (ACAMP) following a tour of their facilities in Edmonton October 8, 2010. REUTERS/Dan Riedlhuber (CANADA - Tags: BUSINESS POLITICS SCI TECH) 

Canadian Prime Minister Stephen Harper holds a product of Alberta Centre for Advanced Microsystems and Nanotechnology Products (ACAMP) during a tour of their facilities in Edmonton October 8, 2010. REUTERS/Dan Riedlhuber (CANADA - Tags: BUSINESS POLITICS SCI TECH) 

Canadian Prime Minister Stephen Harper announces funding for the high-tech sector at the Alberta Centre for Advanced Microsystems and Nanotechnology Products (ACAMP) following a tour of their facilities in Edmonton October 8, 2010. REUTERS/Dan Riedlhuber (CANADA - Tags: BUSINESS POLITICS SCI TECH) 

Head of Russia's Nanotechnology Agency Anatoly Chubais visits the Monokristall (Monocrystal) company owned by "Energomera" Concern in Russia's southern city of Stavropol June 3, 2010. The plant specializes in the production and exportation of synthetic sapphires. REUTERS/Eduard Korniyenko (RUSSIA - Tags: SCI TECH) 

Head of Russia's Nanotechnology Agency Anatoly Chubais (front 2nd R) visits the Monokristall (Monocrystal) company owned by "Energomera" Concern in Russia's southern city of Stavropol June 3, 2010. The plant specializes in the production and exportation of synthetic sapphires. REUTERS/Eduard Korniyenko (RUSSIA - Tags: SCI TECH) 

Labourers work at the Talkatora Stadium, one of the venues for the New Delhi Commonwealth Games in this August 24, 2009 file photo. Arup Chatterjee developed nanotechnology techniques in India for a decade and then went on to invent nano-metal enhanced paints and coatings and form his company I-Can Nano. The entire stadium and complex for the Commonwealth Games in Delhi 2010 has been painted with I-Can Nano paints. Chaterjee has now set up his European headquarters in Britain and secured funding to grow the business, eyeing the European market and beyond. To match feature BRITAIN-BRAINDRAIN/ REUTERS/Parth Sanyal/Files (INDIA - Tags: BUSINESS SPORT CONSTRUCTION) 

A labourer works inside the Jawaharlal Nehru stadium in New Delhi, which is undergoing refurbishment as a venue for the 2010 Commonwealth Games, in this October 26, 2009 file photo. Arup Chatterjee developed nanotechnology techniques in India for a decade and then went on to invent nano-metal enhanced paints and coatings and form his company I-Can Nano. The entire stadium and complex for the Commonwealth Games in Delhi 2010 has been painted with I-Can Nano paints. Chaterjee has now set up his European headquarters in Britain and secured funding to grow the business, eyeing the European market and beyond. Picture taken October 26, 2009. To match feature BRITAIN-BRAINDRAIN/ REUTERS/B Mathur/Files (INDIA - Tags: BUSINESS SPORT CONSTRUCTION) 

Labourers work at the Talkatora Stadium, one of the venues for the New Delhi Commonwealth Games, in this August 24, 2009 file photo. Arup Chatterjee developed nanotechnology techniques in India for a decade and then went on to invent nano-metal enhanced paints and coatings and form his company I-Can Nano. The entire stadium and complex for the Commonwealth Games in Delhi 2010 has been painted with I-Can Nano paints. Chaterjee has now set up his European headquarters in Britain and secured funding to grow the business, eyeing the European market and beyond. To match feature BRITAIN-BRAINDRAIN/ REUTERS/Parth Sanyal/Files (INDIA SPORT) 

Russia's President Dmitry Medvedev (R) and Head of Russia's Nanotechnology Agency Anatoly Chubais attend the 2nd International Nanotechnology Forum in Moscow, October 6, 2009. REUTERS/Mikhail Metzel/Pool (RUSSIA SCI TECH POLITICS) 

Russia's President Dmitry Medvedev (R) and Head of Russia's Nanotechnology Agency Anatoly Chubais attend the 2nd International Nanotechnology Forum in Moscow, October 6, 2009. REUTERS/Mikhail Metzel/Pool (RUSSIA SCI TECH POLITICS) 

Russia's President Dmitry Medvedev addresses the audience during the Second International Nanotechnology Forum in Moscow October 6, 2009. REUTERS/Mikhail Metzel/Pool (RUSSIA SCI TECH POLITICS) 

The head of Russia's Nanotechnology Agency, Anatoly Chubais (L), and Russian billionaire Roman Abramovich (C) take part in the celebrations marking the 3rd anniversary of the Moscow School of Management "Skolkovo" outside Moscow, September 20, 2009. REUTERS/Sergei Karpukhin (RUSSIA POLITICS BUSINESS EDUCATION) 

German Foreign Minister Frank-Walter Steinmeier, a chancellor candidate of Social Democrats (SPD), visits the 'Competence Center of Micro and Nanotechnology' during an election campaign rally in Dortmund August 4, 2009. REUTERS/Ina Fassbender (GERMANY POLITICS ELECTIONS) 

German Foreign Minister Frank-Walter Steinmeier, a chancellor candidate of Social Democrats (SPD), visits the 'Competence Center of Micro and Nanotechnology' during an election campaign rally in Dortmund August 4, 2009. REUTERS/Ina Fassbender (GERMANY POLITICS ELECTIONS EMPLOYMENT BUSINESS) 

German Foreign Minister Frank-Walter Steinmeier, a chancellor candidate of Social Democrats (SPD), visits the 'Competence Center of Micro and Nanotechnology' during an election campaign rally in Dortmund August 4, 2009. REUTERS/Ina Fassbender (GERMANY POLITICS ELECTIONS EMPLOYMENT BUSINESS) 

German Foreign Minister Frank-Walter Steinmeier, a chancellor candidate of Social Democrats (SPD), visits the 'Competence Center of Micro and Nanotechnology' during an election campaign rally in Dortmund August 4, 2009. REUTERS/Ina Fassbender (GERMANY POLITICS ELECTIONS EMPLOYMENT BUSINESS IMAGES OF THE DAY) 

German Foreign Minister Frank-Walter Steinmeier, a chancellor candidate of Social Democrats (SPD), visits the 'Competence Center of Micro and Nanotechnology' during an election campaign rally in Dortmund August 4, 2009. REUTERS/Ina Fassbender (GERMANY POLITICS ELECTIONS) 

Portugal's Prime Minister Jose Socrates (L) and President Anibal Cavaco Silva (2nd L), and Spain's King Juan Carlos (2nd R) and Prime Minister Jose Luis Rodriguez Zapatero congratulate each other after the inauguration of the International Iberian Nanotechnology Laboratory in Braga in the north of Portugal July 17, 2009. REUTERS/Jose Manuel Ribeiro (PORTUGAL SCI TECH POLITICS ROYALS) 

Spain's Science Minister Cristina Garmendia looks at a monument at the exterior of the International Nanotechnology Laboratory in Braga, northern Portugal July 17, 2009. REUTERS/Jose Manuel Ribeiro (PORTUGAL SCI TECH POLITICS) 

Police officers keep watch on the roof during the inauguration of the International Nanotechnology Laboratory in Braga, northern Portugal July 17, 2009. Spain's King Juan Carlos and Prime Minister Jose Luis Zapatero attended the inauguration. REUTERS/Jose Manuel Ribeiro (PORTUGAL SCI TECH POLITICS) 

Spain's Prime Minister Jose Luis Zapatero makes his speech at the inauguration of the International Nanotechnology Laboratory in Braga, northern Portugal July 17, 2009. REUTERS/Jose Manuel Ribeiro (PORTUGAL SCI TECH POLITICS) 

Spain's King Juan Carlos makes his speech at the inauguration of the International Nanotechnology Laboratory in Braga, northern Portugal July 17, 2009. REUTERS/Jose Manuel Ribeiro (PORTUGAL SCI TECH POLITICS ROYALS) 

Portugal's President Anibal Cavaco Silva (L) and Spain's King Juan Carlos arrive for the inauguration of the International Nanotechnology Laboratory in Braga on the North of Portugal July 17, 2009. REUTERS/Jose Manuel Ribeiro (PORTUGAL POLITICS ROYALS SCI TECH) 

Portugal's President Anibal Cavaco Silva (L) and Spain's King Juan Carlos congratulated each other after the inauguration of the International Nanotechnology Laboratory in Braga on the north of Portugal July 17, 2009. REUTERS/Jose Manuel Ribeiro (PORTUGAL POLITICS ROYALS SCI TECH) 

Portugal's President Anibal Cavaco Silva (L) and Spain's King Juan Carlos inaugurate the International Nanotechnology Laboratory in Braga on the north of Portugal July 17, 2009. REUTERS/Jose Manuel Ribeiro (PORTUGAL SCI TECH POLITICS ROYALS) 

Portugal's Prime Minister Jose Socrates (L) and President Anibal Cavaco Silva (2nd L) and Spain's King Juan Carlos (2nd R) and Prime Minister Jose Luis Zapatero congratulated each other after the inauguration of the International Nanotechnology Laboratory in Braga on the north of Portugal July 17, 2009. REUTERS/Jose Manuel Ribeiro (PORTUGAL POLITICS ROYALS SCI TECH) 

German Chancellor Angela Merkel (C) and Education and Science Minister Annette Schavan (R) visit the 300 metres long exhibition train ?Expedition Zukunft? (expedition future) at Berlin's main railway station April 23, 2009. The exhibition consists of twelve wagons, each demonstrating different trends of science ranging from nanotechnology to energy supplies of the future. REUTERS/Wolfgang Kumm/Pool (GERMANY POLITICS SCI TECH) 

German Chancellor Angela Merkel (C) and Education and Science Minister Annette Schavan (L) visit the 300 metres long exhibition train 'Expedition Zukunft' (expedition future) at Berlin's main railway station April 23, 2009. The exhibition consists of twelve wagons, each demonstrating different trends of science ranging from nanotechnology to energy supplies of the future. REUTERS/Wolfgang Kumm/Pool (GERMANY POLITICS SCI TECH IMAGES OF THE DAY) 

German Chancellor Angela Merkel (C) and Education and Science Minister Annette Schavan (R) visit the 300 metres long exhibition train ?Expedition Zukunft? (expedition future) at Berlin's main railway station April 23, 2009. The exhibition consists of twelve wagons, each demonstrating different trends of science ranging from nanotechnology to energy supplies of the future. REUTERS/Wolfgang Kumm/Pool (GERMANY POLITICS SCI TECH) 

German Chancellor Angela Merkel checks a stand during the inauguration ceremony of the 300 metres long exhibition train ?Expedition Zukunft? (expedition future) at Berlin's main railway station April 23, 2009. The exhibition consists of twelve wagons, each demonstrating different trends of science ranging from nanotechnology to energy supplies of the future. REUTERS/Wolfgang Kumm/Pool (GERMANY POLITICS SCI TECH) 

German Chancellor Angela Merkel checks a stand during the inauguration ceremony of the 300 metres long exhibition train ?Expedition Zukunft? (expedition future) at Berlin's main railway station April 23, 2009. The exhibition consists of twelve wagons, each demonstrating different trends of science ranging from nanotechnology to energy supplies of the future. REUTERS/Wolfgang Kumm/Pool (GERMANY POLITICS SCI TECH) 

German Chancellor Angela Merkel checks a stand during the inauguration ceremony of the 300 metres long exhibition train ?Expedition Zukunft? (expedition future) at Berlin's main railway station April 23, 2009. The exhibition consists of twelve wagons, each demonstrating different trends of science ranging from nanotechnology to energy supplies of the future. REUTERS/Wolfgang Kumm/Pool (GERMANY POLITICS SCI TECH)