Scientists develop clothing that can communicate
New York, Aug 12 : Researchers have, for the first time, produced fibres with embedded electronics that are so flexible they can be woven into soft washable fabrics and made into wearable clothing.
Embedding high speed optoelectronic semiconductor devices, including light-emitting diodes (LEDs) and diode photodetectors, into washable fabrics also makes it possible to produce clothing that communicates optically with other devices.
This discovery, described in the journal Nature, could unleash a new 'Moore's Law' for fibres, in other words, a rapid progression in which the capabilities of fibres would grow rapidly and exponentially over time, said researchers from the Massachusetts Institute of Technology (MIT) in Boston.
The key breakthrough for producing these new fibres was to add to the preform light-emitting semiconductor diodes the size of a grain of sand, and a pair of copper wires a fraction of a hair's width.
When heated in a furnace during the fibre-drawing process, the polymer preform partially liquifies, forming a long fibre with the diodes lined up along its centre and connected by the copper wires.
"We are anticipating the emergence of a 'Moore's law' analogue in fibres in the years ahead," said Yoel Fink from the varsity.
"It is already allowing us to expand the fundamental capabilities of fabrics to encompass communications, lighting, physiological monitoring, and more. In the years ahead, fabrics will deliver value-added services and will no longer just be selected for aesthetics and comfort," Fink added.
In this case, the solid components were two types of electrical diodes made using standard microchip technology: LEDs and photosensing diodes.
The resulting fibres were then woven into fabrics, which were laundered 10 times to demonstrate their practicality as possible material for clothing.
One of the advantages of incorporating function into the fibre material itself is that the resulting fibre is inherently waterproof.
To demonstrate this, the team placed some of the photodetecting fibres inside a fish tank.
A lamp outside the aquarium transmitted music through the water to the fibres in the form of rapid optical signals.
The fibres in the tank converted the light pulses -- so rapid that the light appears steady to the naked eye -- to electrical signals, which were then converted into music. The fibres survived in the water for weeks.
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Prime organiser of Messi event in Kolkata arrested over ‘mismanagement’ after stadium chaos
Kolkata (PTI): The police on Saturday arrested Satadru Datta, the prime organiser of the Lionel Messi football event at Salt Lake Stadium here, following widespread chaos at the venue, which prompted the Argentine World Cup-winning captain to leave the field early.
Taking suo motu cognisance of the stadium unrest, Datta was held by the Bidhannagar Police for “mismanagement” of the event from the Kolkata airport, where he had gone to see off Messi and his entourage on their way to Hyderabad.
"We are looking into whether there was any mismanagement from the organiser's side, which led to the chaos at the stadium. He has been detained, and the police have now brought the situation under control," West Bengal DGP Rajeev Kumar said at a press conference.
A senior police officer later confirmed that Dutta has been arrested. Till reports last received, the police were interrogating him and his manager inside one of the departure lounges of the airport.
The organiser has given in writing that he will refund the prices of tickets he sold to the disappointed spectators, Kumar said.
What was supposed to be a marquee football spectacle turned into widespread violence and disorder at the stadium after Messi’s brief and tightly ring-fenced appearance, his first at the venue since 2011, left large sections of the crowd frustrated, as they failed to catch a glimpse of their superstar despite having travelled from far and wide, paying hefty sums for tickets.
Police said they were also investigating how organisers allowed sale of bottled waters and beverages inside the stadium premises, which are banned items during such events.
Thousands of water bottles were used as missiles and lobbed inside the pitch by angry spectators, who also uprooted bucket seats from the gallery and used them as ammunition inside the field against the defending police and security personnel.
Spectators alleged that water bottles were being sold at a massive premium inside the stadium despite police disallowing such items from outside at the entry gates.
Police agreed there was an underlying tension in the galleries on account of Messi not showing his footballing skills on the field, which only got aggravated after a bunch of VIPs, including State Sports Minister Aroop Biswas and unidentified people, blocked the football icon’s view during the limited time he spent on the ground.
“We are on the job, and will ensure that whoever is responsible for what happened today at Salt Lake Stadium will be punished, and action will be taken against the authorities concerned,” said Jawed Shamim, ADG, Law and Order.
