内容摘要：But before aiming for mass production, entrepreneurs said they still have a long way to go in improving the quality of beans and their post-harvest processing.

But before aiming for mass production, entrepreneurs said they still have a long way to go in improving the quality of beans and their post-harvest processing.

Test your knowledge of Palestine's geography in this interactive map game.How well do you know Palestine?

Drop a pin where you think each Palestinian city is located and see how close you get.After each guess, you'll receive a score out of 10 based on your accuracy, along with information about the city’s history, culture and the impact of the 1948 Nakba.Can you get a perfect score of 100?

What happened in Palestine in 1948?Every year on May 15, Palestinians around the world mark the Nakba, or catastrophe, referring to the ethnic cleansing of Palestine in 1948.

Having secured the support of the British government for the creation of a Jewish state in Palestine, on May 14, 1948, as soon as the

expired, Zionist forces declared the establishment of the State of Israel, triggering the first“I wasn’t a subject for this paper, but I’ve seen olo since, and it’s very striking. You know you’re looking at something very blue-green,” Doyle said.

The researchers said an image of a teal square is the closest colour match to olo. However, this square is not an olo-coloured square. The naked human eye simply cannot see the shade.“If you start with the colour in that picture, and imagine dialling up the saturation further you would get to the teal of real peacock feathers, further still would be a laser in the teal wavelength, and far beyond that is olo, outside the natural space of human colors,” Ng told Al Jazeera.

“We’re not going to see olo on any smartphone displays or any TVs any time soon. And this is very, very far beyond VR headset technology,” Ng said, according to a report in the UK’s Guardian newspaper.Could this technology help people with colour blindness?