Blind Turkish entrepreneur Kursat Ceylan, 35, cofounder of Wewalk technology, uses his smart cane, as he arrives at the Mobile World Congress (MWC) in Barcelona, Spain, June 29, 2021. REUTERS/Nacho Doce

Blind Turkish entrepreneur Kursat Ceylan, 35, cofounder of Wewalk technology, uses his smart cane, as he arrives at the Mobile World Congress (MWC) in Barcelona, Spain, June 29, 2021. REUTERS/Nacho Doce

Blind Turkish entrepreneur Kursat Ceylan, 35, cofounder of Wewalk technology, uses his smart cane, as he arrives at the Mobile World Congress (MWC) in Barcelona, Spain, June 29, 2021. REUTERS/Nacho Doce

Blind Turkish entrepreneur Kursat Ceylan, 35, cofounder of Wewalk technology, uses his smart cane, as he walks at the Mobile World Congress (MWC) in Barcelona, Spain, June 29, 2021. REUTERS/Nacho Doce

A health worker measures the temperature of blind Turkish entrepreneur Kursat Ceylan, 35, cofounder of Wewalk technology, as he uses his smart cane, arriving at the Mobile World Congress (MWC) in Barcelona, Spain, June 29, 2021. REUTERS/Nacho Doce

Blind Turkish entrepreneur Kursat Ceylan, 35, cofounder of Wewalk technology, uses his smart cane, as he arrives at the Mobile World Congress (MWC) in Barcelona, Spain, June 29, 2021. REUTERS/Nacho Doce

Blind Turkish entrepreneur Kursat Ceylan, 35, cofounder of Wewalk technology, uses his smart cane, as he runs on the sidewalk of Barceloneta beach, after attending the Mobile World Congress (MWC) in Barcelona, Spain, June 28, 2021. Picture taken June 28, 2020. REUTERS/Nacho Doce

Blind Turkish entrepreneur Kursat Ceylan, 35, cofounder of Wewalk technology, holds his smart cane, as he waits for people run past at the sidewalk of Barceloneta beach, after he attended the Mobile World Congress (MWC) in Barcelona, Spain, June 28, 2021. Picture taken June 28, 2021. REUTERS/Nacho Doce

Blind Turkish entrepreneur Kursat Ceylan, 35, cofounder of Wewalk technology, uses his smart cane, that detects when there is an obstacle at the Mobile World Congress (MWC) in Barcelona, Spain, June 28, 2021. Picture taken June 28, 2021. REUTERS/Nacho Doce

Blind Turkish entrepreneur Kursat Ceylan, 35, cofounder of Wewalk technology, uses his smart cane, as he walks on the sidewalk of Barceloneta beach, after attending the Mobile World Congress (MWC) in Barcelona, Spain, June 28, 2021. Picture taken June 28, 2020. REUTERS/Nacho Doce

Dutch engineer and inventor Peter van Wees points at the result graph of a COVID-19 test in front of his invention, the quick breath analyzer QuBA that scans exhalation air for the coronavirus instead of taking unpleasant nasal swab tests, amid COVID-19 pandemic, in Remscheid, Germany April 30, 2021. REUTERS/Wolfgang Rattay

Sebastian Kraemer screams inside the quick breath analyzer QuBA of Dutch inventor Peter van Wees to get his exhalation air tested for the coronavirus instead of taking unpleasant nasal swab tests amid COVID-19 pandemic in Remscheid, Germany April 30, 2021. REUTERS/Wolfgang Rattay

Ahmet Altuntas sings inside the quick breath analyzer QuBA of Dutch inventor Peter van Wees to get his exhalation air tested for coronavirus instead of taking unpleasant nasal swab tests amid COVID-19 pandemic in Remscheid, Germany April 30, 2021. REUTERS/Wolfgang Rattay

Dutch engineer and inventor Peter van Wees poses for a picture in front of his invention, the quick breath analyzer QuBA that scans exhalation air for the coronavirus instead of taking unpleasant nasal swab tests, amid COVID-19 pandemic, in Remscheid, Germany April 30, 2021. REUTERS/Wolfgang Rattay

Dutch engineer and inventor Peter van Wees performs a test with his quick breath analyzer QuBA that scans exhalation air for the coronavirus instead of taking unpleasant nasal swab tests, amid COVID-19 pandemic, in Remscheid, Germany April 30, 2021. REUTERS/Wolfgang Rattay

Dutch engineer and inventor Peter van Wees performs a test with his quick breath analyzer QuBA that scans exhalation air for the coronavirus instead of taking unpleasant nasal swab tests, amid COVID-19 pandemic, in Remscheid, Germany April 30, 2021. REUTERS/Wolfgang Rattay

Dutch engineer and inventor Peter van Wees, screams for eight seconds inside his quick breath analyzer QuBA that scans exhalation air for the coronavirus instead of taking unpleasant nasal swab tests, amid COVID-19 pandemic, in Remscheid, Germany April 30, 2021. REUTERS/Wolfgang Rattay

Dutch engineer and inventor Peter van Wees, lets out his frustrations by screaming for eight seconds inside his quick breath analyzer QuBA that scans exhalation air for the coronavirus instead of taking unpleasant nasal swab tests, amid coronavrus disease (COVID-19) pandemic, in Remscheid, Germany April 30, 2021. REUTERS/Wolfgang Rattay

Dutch engineer and inventor Peter van Wees screams for eight seconds inside his quick breath analyzer QuBA that scans exhalation air for the coronavirus instead of taking unpleasant nasal swab tests, amid COVID-19 pandemic, in Remscheid, Germany April 30, 2021. REUTERS/Wolfgang Rattay

Peter van Wees, inventor of the quick breath analyzer cabin that tests for the coronavirus disease (COVID-19) poses at a testing location in Amsterdam, Netherlands March 1, 2021. Picture taken March 1, 2021. REUTERS/Eva Plevier

Peter van Wees, inventor of the quick breath analyzer cabin that tests for the coronavirus disease (COVID-19) poses at a testing location in Amsterdam, Netherlands March 1, 2021. Picture taken March 1, 2021. REUTERS/Eva Plevier

Peter van Wees, inventor of the quick breath analyzer cabin that tests for the coronavirus disease (COVID-19) poses at a testing location in Amsterdam, Netherlands March 1, 2021. Picture taken March 1, 2021. REUTERS/Eva Plevier

Peter van Wees, inventor of the quick breath analyzer cabin to test for the coronavirus disease (COVID-19) is pictured at a testing location in Amsterdam, Netherlands March 1, 2021. Picture taken March 1, 2021. REUTERS/Eva Plevier

Peter van Wees, inventor of the quick breath analyzer cabin that tests for the coronavirus disease (COVID-19), points out the analytics of the machine at a testing location, in Amsterdam, Netherlands March 1, 2021. Picture taken March 1, 2021. REUTERS/Eva Plevier

Thai inventor Sorawut Kittibanthorn works with chicken feathers at a laboratory in Bangkok, Thailand, December 7, 2020. Picture taken December 7, 2020. REUTERS/Jiraporn Kuhakan

Thai inventor Sorawut Kittibanthorn prepares steak dishes made from chicken feather at a kitchen in Bangkok, Thailand, December 14, 2020. Picture taken December 14, 2020. REUTERS/Juarawee Kittisilpa TPX IMAGES OF THE DAY

Thai inventor Sorawut Kittibanthorn presents a steak dish made from chicken feathers at a kitchen in Bangkok, Thailand, December 14, 2020. Picture taken December 14, 2020. REUTERS/Juarawee Kittisilpa

Steaks made from chicken feather are seen next to Thai inventor Sorawut Kittibanthorn at a kitchen in Bangkok, Thailand, December 14, 2020. Picture taken December 14, 2020. REUTERS/Juarawee Kittisilpa

Thai inventor Sorawut Kittibanthorn presents food dishes made from chicken feather at a kitchen in Bangkok, Thailand, December 14, 2020. Picture taken December 14, 2020. REUTERS/Juarawee Kittisilpa

Thai inventor Sorawut Kittibanthorn holds up chicken feathers at a slaughter house in Nakorn Pathom province, Thailand, November 18, 2020. Picture taken November 18, 2020. REUTERS/Prapan Chankaew

Thai inventor Sorawut Kittibanthorn works with chicken feathers at a laboratory in Bangkok, Thailand, December 7, 2020. Picture taken December 7, 2020. REUTERS/Jiraporn Kuhakan

An A.I.-powered life-size hologram of Portl inventor David Nussbaum is seen next to another hologram, in Gardena, near Los Angeles, California, U.S., August 3, 2020. REUTERS/Lucy Nicholson

Portl inventor David Nussbaum is shown with an A.I.-powered life-size hologram of himself in Gardena, near Los Angeles, California, U.S., August 3, 2020. REUTERS/Lucy Nicholson

Portl inventor David Nussbaum poses for a photo next to an A.I.-powered life-size hologram of himself in Gardena, near Los Angeles, California, U.S., August 3, 2020. REUTERS/Lucy Nicholson

Portl inventor David Nussbaum poses for a photo next to an A.I.-powered life-size hologram of himself in Gardena, near Los Angeles, California, U.S., August 3, 2020. REUTERS/Lucy Nicholson

An employee of an Israeli company shows a mask fitted with a mechanical mouth that opens to enable diners to eat without taking it off, as the coronavirus disease (COVID-19) restrictions ease, at Avtipus Patents and Inventions lab in Or Yehuda, Israel May 18, 2020. REUTERS/Amir Cohen

Meir Gitelis, co-developer of an Israeli company, eats while wearing a mask fitted with a mechanical mouth that opens to enable diners to eat without taking it off, as the coronavirus disease (COVID-19) restrictions ease, at Avtipus Patents and Inventions lab in Or Yehuda, Israel May 18, 2020. REUTERS/Amir Cohen

Meir Gitelis, co-developer of an Israeli company, eats while wearing a mask fitted with a mechanical mouth that opens to enable diners to eat without taking it off, as the coronavirus disease (COVID-19) restrictions ease, at Avtipus Patents and Inventions lab in Or Yehuda, Israel May 18, 2020. REUTERS/Amir Cohen

An employee looks at a screen displaying a computer image of a face mask fitted with a mechanical mouth that opens to enable diners to eat without taking it off, as the coronavirus disease (COVID-19) restrictions ease, at Avtipus Patents and Inventions lab in Or Yehuda, Israel May 18, 2020. REUTERS/Amir Cohen

Young inventors hold a developed prototype of a simple lung ventilator called Q-Vent, for infected patients facing the coronavirus disease (COVID-19), which was created at Comenius University in Bratislava, Slovakia April 2, 2020. Picture taken April 2, 2020. This device don't replace lung ventilation but helps ride through a certain period of waiting for the lung ventilation – which is the biggest problem in Italy. REUTERS/Radovan Stoklasa

A young inventor holds a developed prototype of a simple lung ventilator called Q-Vent, for infected patients facing the coronavirus disease (COVID-19), which was created at Comenius University in Bratislava, Slovakia April 2, 2020. Picture taken April 2, 2020. This device don't replace lung ventilation but helps ride through a certain period of waiting for the lung ventilation – which is the biggest problem in Italy. REUTERS/Radovan Stoklasa

Young inventors Samuel Furka, Daniel Furka and Dalibor Gallik present a prototype of a simple lung ventilator called Q-Vent, for infected patients facing the coronavirus disease (COVID-19), which was created at Comenius University in Bratislava, Slovakia April 2, 2020. Picture taken April 2, 2020. This device don't replace lung ventilation but helps ride through a certain period of waiting for the lung ventilation – which is the biggest problem in Italy. REUTERS/Radovan Stoklasa

Young inventors Daniel Furka, Dalibor Gallik and Samuel Furka present a prototype of a simple lung ventilator called Q-Vent, for infected patients facing the coronavirus disease (COVID-19), which was created at Comenius University in Bratislava, Slovakia April 2, 2020. Picture taken April 2, 2020. This device don't replace lung ventilation but helps ride through a certain period of waiting for the lung ventilation – which is the biggest problem in Italy. REUTERS/Radovan Stoklasa

French inventor Franky Zapata is seen after he succeeded in crossing the English Channel on a jet-powered Flyboard he designed in Bleriot Plage, France, August 4, 2019. REUTERS/Johanna Geron

French inventor Franky Zapata poses with a placard after he succeeded in crossing the English Channel on a jet-powered Flyboard he designed in Bleriot Plage, France, August 4, 2019. REUTERS/Johanna Geron

French inventor Franky Zapata and his wife Christelle are seen after Zapata succeeded in crossing the English Channel on a jet-powered Flyboard he designed in Bleriot Plage, France, August 4, 2019. REUTERS/Johanna Geron

French inventor Franky Zapata is seen after he succeeded in crossing the English Channel on a jet-powered Flyboard he designed in Bleriot Plage, France, August 4, 2019. REUTERS/Johanna Geron

French inventor Franky Zapata is seen during the news conference after he succeeded in crossing the English Channel on a jet-powered Flyboard he designed in Bleriot Plage, France, August 4, 2019. REUTERS/Johanna Geron

French inventor Franky Zapata is seen during the news conference after he succeeded in crossing the English Channel on a jet-powered Flyboard he designed in Bleriot Plage, France, August 4, 2019. REUTERS/Johanna Geron

French inventor Franky Zapata reacts after he succeeded in crossing the English Channel on a jet-powered Flyboard he designed in Bleriot Plage, France, August 4, 2019. REUTERS/Johanna Geron

French inventor Franky Zapata reacts after he succeeded in crossing the English Channel on a jet-powered Flyboard he designed in Bleriot Plage, France, August 4, 2019. REUTERS/Johanna Geron

French inventor Franky Zapata reacts after he succeeded in crossing the English Channel on a jet-powered Flyboard he designed in Bleriot Plage, France, August 4, 2019. REUTERS/Johanna Geron

French inventor Franky Zapata breaks down in tears and gets a hug from his wife Christelle after he succeeded in crossing the English Channel on a jet-powered Flyboard he designed in Bleriot Plage, France, August 4, 2019. REUTERS/Johanna Geron

French inventor Franky Zapata is seen during the news conference after he succeeded in crossing the English Channel on a jet-powered Flyboard he designed in Bleriot Plage, France, August 4, 2019. REUTERS/Johanna Geron

French inventor Franky Zapata breaks down in tears and gets a hug from his wife Christelle after he succeeded in crossing the English Channel on a jet-powered Flyboard he designed in Bleriot Plage, France, August 4, 2019. REUTERS/Johanna Geron

French inventor Franky Zapata is seen during the news conference after he succeeded in crossing the English Channel on a jet-powered Flyboard he designed in Bleriot Plage, France, August 4, 2019. REUTERS/Johanna Geron

French inventor Franky Zapata is seen during the news conference after he succeeded in crossing the English Channel on a jet-powered Flyboard he designed in Bleriot Plage, France, August 4, 2019. REUTERS/Johanna Geron

French inventor Franky Zapata and his wife Christelle react after Zapata succeeded in crossing the English Channel on a jet-powered Flyboard he designed in Bleriot Plage, France, August 4, 2019. REUTERS/Johanna Geron