Malaysian researchers have developed a method to transform the fiber found in normally discarded pineapple leaves to make a strong material that can be used to build the frames for uncrewed aircraft, or drones.
The project, headed by Mohamed Thariq Hameed Sultan, a professor at the University Putra Malaysia, has been trying to find sustainable uses for pineapple waste generated by farmers in Hulu Langat, an area about 65km from Kuala Lumpur.
“We are transforming the leaf of the pineapple into a fiber that can be used for aerospace application, basically inventing a drone,” he said at a workshop.
Photo: Reuters
He said that drones made out of the bio-composite material had a higher strength-to-weight ratio than those made from synthetic fibers, and were also cheaper, lighter and easier to dispose.
If the drone was damaged, the frame could be buried in the ground and would degrade within two weeks, he said.
The prototype drones have been able to fly to a height of about 1,000m and stay in the air for about 20 minutes, he added.
Ultimately, the research team hopes to create a larger drone to accommodate bigger payloads, including image sensors, for agricultural purposes and aerial inspections.
“Our role here is to help the industry, the farmers, to increase their yield and make their jobs much easier,” said William Robert Alvisse of the Malaysian Unmanned Drones Activist Society, a non-governmental group helping to design the drone and advising on the project.
Before the project launched in 2017, pineapple stems were discarded after the once-in-a-year harvest period, but farmers hope the drones project will encourage more innovation to find uses for the waste and boost incomes.
“With the health issue, the economy problem due to COVID-19, the society is desperate and there is no alternative to increase income,” pineapple farmer Irwan Ismail said.
Former Nicaraguan president Violeta Chamorro, who brought peace to Nicaragua after years of war and was the first woman elected president in the Americas, died on Saturday at the age of 95, her family said. Chamorro, who ruled the poor Central American country from 1990 to 1997, “died in peace, surrounded by the affection and love of her children,” said a statement issued by her four children. As president, Chamorro ended a civil war that had raged for much of the 1980s as US-backed rebels known as the “Contras” fought the leftist Sandinista government. That conflict made Nicaragua one of
COMPETITION: The US and Russia make up about 90 percent of the world stockpile and are adding new versions, while China’s nuclear force is steadily rising, SIPRI said Most of the world’s nuclear-armed states continued to modernize their arsenals last year, setting the stage for a new nuclear arms race, the Stockholm International Peace Research Institute (SIPRI) said yesterday. Nuclear powers including the US and Russia — which account for about 90 percent of the world’s stockpile — had spent time last year “upgrading existing weapons and adding newer versions,” researchers said. Since the end of the Cold War, old warheads have generally been dismantled quicker than new ones have been deployed, resulting in a decrease in the overall number of warheads. However, SIPRI said that the trend was likely
NUCLEAR WARNING: Elites are carelessly fomenting fear and tensions between nuclear powers, perhaps because they have access to shelters, Tulsi Gabbard said After a trip to Hiroshima, US Director of National Intelligence Tulsi Gabbard on Tuesday warned that “warmongers” were pushing the world to the brink of nuclear war. Gabbard did not specify her concerns. Gabbard posted on social media a video of grisly footage from the world’s first nuclear attack and of her staring reflectively at the Hiroshima Peace Memorial. On Aug. 6, 1945, the US obliterated Hiroshima, killing 140,000 people in the explosion and by the end of the year from the uranium bomb’s effects. Three days later, a US plane dropped a plutonium bomb on Nagasaki, leaving abut 74,000 people dead by the
Indian Prime Minister Narendra Modi is to visit Canada next week, his first since relations plummeted after the assassination of a Canadian Sikh separatist in Vancouver, triggering diplomatic expulsions and hitting trade. Analysts hope it is a step toward repairing ties that soured in 2023, after then-Canadian prime minister Justin Trudeau pointed the finger at New Delhi’s involvement in murdering Hardeep Singh Nijjar, claims India furiously denied. An invitation extended by new Canadian Prime Minister Mark Carney to Modi to attend the G7 leaders summit in Canada offers a chance to “reset” relations, former Indian diplomat Harsh Vardhan Shringla said. “This is a
RSS