Smartphones could provide weather data in poor nations
Smartphone batteries could be used to collect air temperature data and relay that information
Men work to load mud as they use it to build flood barrier for their houses to protect against the rising water of the White Nile River in South Khartoum
Men work to load mud as they use it to build a flood barrier for their houses to protect against the rising water of the White Nile River in South Khartoum August 26, 2013. Heavy rains and flood in the country have affected the lives and properties of some 320,000 people, according to a report by the World Health Organization (WHO) last week. REUTERS/Stringer (SUDAN - Tags: ENVIRONMENT DISASTER)
Men work to build a flood barrier to protect their houses from the rising water of the White Nile River in South Khartoum
Men work to build a flood barrier to protect their houses from the rising water of the White Nile River in South Khartoum August 26, 2013. Heavy rains and flood in the country have affected the lives and properties of some 320,000 people, according to a report by the World Health Organization (WHO) last week. REUTERS/Stringer (SUDAN - Tags: ENVIRONMENT DISASTER)
Men work to build a flood barrier to protect their houses from the rising water of the White Nile River in South Khartoum
Men work to build a flood barrier to protect their houses from the rising water of the White Nile River in South Khartoum August 26, 2013. Heavy rains and flood in the country have affected the lives and properties of some 320,000 people, according to a report by the World Health Organization (WHO) last week. REUTERS/Stringer (SUDAN - Tags: ENVIRONMENT DISASTER)
A man looks at his house, partially flooded by the rising of the water of the White Nile River in South Khartoum
A man looks at his house, partially flooded by the rising of the water of the White Nile River in South Khartoum August 26, 2013. Heavy rains and flood in the country have affected the lives and properties of some 320,000 people, according to a report by the World Health Organization (WHO) last week. REUTERS/Stringer (SUDAN - Tags: ENVIRONMENT DISASTER)
A general view of a flooded area near the Blue Nile in Khartoum
A general view of a flooded area near the Blue Nile in Khartoum August 26, 2013. Heavy rains and flood in the country have affected the lives and properties of some 320,000 people, according to a report by the World Health Organization (WHO) last week. REUTERS/Mohamed Nureldin Abdallah (SUDAN - Tags: ENVIRONMENT DISASTER)
A general view of an flooded area between the White Nile and the Blue Nile in Khartoum
REFILE - ADDITIONAL INFO A general view of an flooded area between the White Nile (top) and the Blue Nile in Khartoum August 26, 2013. Heavy rains and flood in the country have affected the lives and properties of some 320,000 people, according to a report by the World Health Organization (WHO) last week. REUTERS/Mohamed Nureldin Abdallah (SUDAN - Tags: ENVIRONMENT DISASTER)
A general view of an flooded area between the White Nile and the Blue Nile in Khartoum
A general view of an flooded area between the White Nile and the Blue Nile in Khartoum August 26, 2013. Heavy rains and flood in the country have affected the lives and properties of some 320,000 people, according to a report by the World Health Organization (WHO) last week. REUTERS/Mohamed Nureldin Abdallah (SUDAN - Tags: ENVIRONMENT DISASTER)
A general view of a flooded area near the White Nile in Khartoum
A general view of a flooded area near the White Nile in Khartoum August 26, 2013. Heavy rains and flood in the country have affected the lives and properties of some 320,000 people, according to a report by the World Health Organization (WHO) last week. REUTERS/Mohamed Nureldin Abdallah (SUDAN - Tags: ENVIRONMENT DISASTER)
A general view of a flooded area near the Blue Nile in Khartoum
A general view of a flooded area near the Blue Nile in Khartoum August 26, 2013. Heavy rains and flood in the country have affected the lives and properties of some 320,000 people, according to a report by the World Health Organization (WHO) last week. REUTERS/Mohamed Nureldin Abdallah (SUDAN - Tags: ENVIRONMENT DISASTER)