Scientists have beamed solar power back from space, using technology placed in high orbit that allows it to collect the Sun's energy and transmit it to Earth.
The Space Solar Power Demonstrator, a prototype launched into orbit in January, last month beamed detectable power to Earth.
The demonstration by the California Institute of Technology (Caltech) uses hardware similar to solar panels and marks significant progress in global efforts to boost energy supply.
Ali Hajimiri, professor of electrical engineering and medical engineering at Caltech, said the experiment was part of the university's Space Solar Power Project.
“Through the experiments we have run so far, we received confirmation that Maple [technology being tested by the demonstrator] can transmit power successfully to receivers in space,” Mr Hajimiri said.
“We have also been able to programme the array to direct its energy towards Earth, which we detected here at Caltech.
“We had, of course, tested it on Earth but now we know that it can survive the trip to space and operate there.”
How it works
Beaming solar power from space means countries could significantly boost energy supply in an economical way.
Sunlight is about 10 times more intense at the top of Earth's atmosphere than at the surface, the European Space Agency has said.
If transmitters are placed in a high enough orbit, they could absorb sunlight on a continuous basis.
The transmitters would then be able to transfer energy to stations across the planet whenever needed.
Maple has an array of flexible lightweight microwave power transmitters that can deliver energy.
“In the same way that the internet democratised access to information, we hope that wireless energy transfer democratises access to energy,” Mr Hajimiri said.
“No energy transmission infrastructure will be needed on the ground to receive this power. That means we can send energy to remote regions and areas devastated by war or natural disaster.”
But for the plan to work, transmitters would need to be weigh less than they do now to reduce the amount of fuel needed to launch them to space.
They also need to be flexible so they can fold up inside a rocket.
The European Space Agency said some challenges still need to be addressed before space-based solar energy projects can create economically viable levels of energy.
“The biggest challenge is that the required structures need to be very large, both on Earth and in space,” the agency said on its website.
“A single solar power satellite at geostationary orbit might extend more than a kilometre across, with the receiver station on the ground needing a footprint more than 10 times larger.”
Other countries have also been working towards creating space-based solar energy.
China has plans to develop a solar power plant in space by 2028.
British firm Space Solar also has plans to create a solar energy station in space, with financial support from Saudi Arabia.
Within six years, Space Solar aims to have a trial project providing six megawatts of power from low Earth orbit, eventually leading to a two-gigawatt power station in high orbit by 2035.
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pakistan Test squad
Azhar Ali (capt), Shan Masood, Abid Ali, Imam-ul-Haq, Asad Shafiq, Babar Azam, Fawad Alam, Haris Sohail, Imran Khan, Kashif Bhatti, Mohammad Rizwan (wk), Naseem Shah, Shaheen Shah Afridi, Mohammad Abbas, Yasir Shah, Usman Shinwari
What can you do?
Document everything immediately; including dates, times, locations and witnesses
Seek professional advice from a legal expert
You can report an incident to HR or an immediate supervisor
You can use the Ministry of Human Resources and Emiratisation’s dedicated hotline
In criminal cases, you can contact the police for additional support
Killing of Qassem Suleimani
TO A LAND UNKNOWN
Director: Mahdi Fleifel
Starring: Mahmoud Bakri, Aram Sabbah, Mohammad Alsurafa
Rating: 4.5/5
Roll%20of%20Honour%2C%20men%E2%80%99s%20domestic%20rugby%20season
%3Cp%3E%3Cstrong%3EWest%20Asia%20Premiership%3C%2Fstrong%3E%0D%3Cbr%3EChampions%3A%20Dubai%20Tigers%0D%3Cbr%3ERunners%20up%3A%20Bahrain%0D%3C%2Fp%3E%0A%3Cp%3E%3Cstrong%3EUAE%20Premiership%3C%2Fstrong%3E%0D%3Cbr%3EChampions%3A%20Jebel%20Ali%20Dragons%0D%3Cbr%3ERunners%20up%3A%20Dubai%20Hurricanes%0D%3C%2Fp%3E%0A%3Cp%3E%3Cstrong%3EUAE%20Division%201%3C%2Fstrong%3E%0D%3Cbr%3EChampions%3A%20Dubai%20Sharks%0D%3Cbr%3ERunners%20up%3A%20Abu%20Dhabi%20Harlequins%20II%0D%3C%2Fp%3E%0A%3Cp%3E%3Cstrong%3EUAE%20Division%202%3C%2Fstrong%3E%0D%3Cbr%3EChampions%3A%20Dubai%20Tigers%20III%0D%3Cbr%3ERunners%20up%3A%20Dubai%20Sharks%20II%0D%3C%2Fp%3E%0A%3Cp%3E%3Cstrong%3EDubai%20Sevens%3C%2Fstrong%3E%0D%3Cbr%3EChampions%3A%20Dubai%20Tigers%0D%3Cbr%3ERunners%20up%3A%20Dubai%20Hurricanes%3C%2Fp%3E%0A
The National in Davos
We are bringing you the inside story from the World Economic Forum's Annual Meeting in Davos, a gathering of hundreds of world leaders, top executives and billionaires.
Gothia Cup 2025
4,872 matches
1,942 teams
116 pitches
76 nations
26 UAE teams
15 Lebanese teams
2 Kuwaiti teams
UAE currency: the story behind the money in your pockets
Key facilities
- Olympic-size swimming pool with a split bulkhead for multi-use configurations, including water polo and 50m/25m training lanes
- Premier League-standard football pitch
- 400m Olympic running track
- NBA-spec basketball court with auditorium
- 600-seat auditorium
- Spaces for historical and cultural exploration
- An elevated football field that doubles as a helipad
- Specialist robotics and science laboratories
- AR and VR-enabled learning centres
- Disruption Lab and Research Centre for developing entrepreneurial skills
Company%20profile%20
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INDIA SQUADS
India squad for third Test against Sri Lanka
Virat Kohli (capt), Murali Vijay, Lokesh Rahul, Shikhar Dhawan, Cheteshwar Pujara, Ajinkya Rahane, Rohit Sharma, Wriddhiman Saha, Ravichandran Ashwin, Ravindra Jadeja, Kuldeep Yadav, Mohammed Shami, Umesh Yadav, Ishant Sharma, Vijay Shankar
India squad for ODI series against Sri Lanka
Rohit Sharma (capt), Shikhar Dhawan, Ajinkya Rahane, Shreyas Iyer, Manish Pandey, Kedar Jadhav, Dinesh Karthik, Mahendra Singh Dhoni, Hardik Pandya, Axar Patel, Kuldeep Yadav, Yuzvendra Chahal, Jasprit Bumrah, Bhuvneshwar Kumar, Siddarth Kaul
Mohammed bin Zayed Majlis
Director: Jon Favreau
Starring: Donald Glover, Seth Rogen, John Oliver
Rating: 2 out of 5 stars
Company profile
Date started: 2015
Founder: John Tsioris and Ioanna Angelidaki
Based: Dubai
Sector: Online grocery delivery
Staff: 200
Funding: Undisclosed, but investors include the Jabbar Internet Group and Venture Friends
Should late investors consider cryptocurrencies?
Wealth managers recommend late investors to have a balanced portfolio that typically includes traditional assets such as cash, government and corporate bonds, equities, commodities and commercial property.
They do not usually recommend investing in Bitcoin or other cryptocurrencies due to the risk and volatility associated with them.
“It has produced eye-watering returns for some, whereas others have lost substantially as this has all depended purely on timing and when the buy-in was. If someone still has about 20 to 25 years until retirement, there isn’t any need to take such risks,” Rupert Connor of Abacus Financial Consultant says.
He adds that if a person is interested in owning a business or growing a property portfolio to increase their retirement income, this can be encouraged provided they keep in mind the overall risk profile of these assets.
RECORD%20BREAKER
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UAE currency: the story behind the money in your pockets
World Cup final
Who: France v Croatia
When: Sunday, July 15, 7pm (UAE)
TV: Game will be shown live on BeIN Sports for viewers in the Mena region
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Richard Jewell
Director: Clint Eastwood
Stars: Paul Walter Hauser, Sam Rockwell, Brandon Stanley
Two-and-a-half out of five stars
The five pillars of Islam
The specs
Engine: Four electric motors, one at each wheel
Power: 579hp
Torque: 859Nm
Transmission: Single-speed automatic
Price: From Dh825,900
On sale: Now
The specs: 2019 BMW X4
Price, base / as tested: Dh276,675 / Dh346,800
Engine: 3.0-litre turbocharged in-line six-cylinder
Transmission: Eight-speed automatic
Power: 354hp @ 5,500rpm
Torque: 500Nm @ 1,550rpm
Fuel economy, combined: 9.0L / 100km
Living in...
This article is part of a guide on where to live in the UAE. Our reporters will profile some of the country’s most desirable districts, provide an estimate of rental prices and introduce you to some of the residents who call each area home.
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Company%20profile
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The five pillars of Islam
KILLING OF QASSEM SULEIMANI
Last 10 winners of African Footballer of the Year
2006: Didier Drogba (Chelsea and Ivory Coast)
2007: Frederic Kanoute (Sevilla and Mali)
2008: Emmanuel Adebayor (Arsenal and Togo)
2009: Didier Drogba (Chelsea and Ivory Coast)
2010: Samuel Eto’o (Inter Milan and Cameroon)
2011: Yaya Toure (Manchester City and Ivory Coast)
2012: Yaya Toure (Manchester City and Ivory Coast)
2013: Yaya Toure (Manchester City and Ivory Coast)
2014: Yaya Toure (Manchester City and Ivory Coast)
2015: Pierre-Emerick Aubameyang (Borussia Dortmund and Gabon)
2016: Riyad Mahrez (Leicester City and Algeria)
Scoreline
Abu Dhabi Harlequins 17
Jebel Ali Dragons 20
Harlequins Tries: Kinivilliame, Stevenson; Cons: Stevenson 2; Pen: Stevenson
Dragons Tries: Naisau, Fourie; Cons: Love 2; Pens: Love 2
Living in...
This article is part of a guide on where to live in the UAE. Our reporters will profile some of the country’s most desirable districts, provide an estimate of rental prices and introduce you to some of the residents who call each area home.
The specs
Engine: 6.2-litre supercharged V8
Power: 712hp at 6,100rpm
Torque: 881Nm at 4,800rpm
Transmission: 8-speed auto
Fuel consumption: 19.6 l/100km
Price: Dh380,000
On sale: now
UAE currency: the story behind the money in your pockets
