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Flying 4G tower - drone Flying COW

13.11.2017

Restoring infrastructure to provide communication services to the local population has become a priority for the authorities in Puerto Rico and the United States. The natural disaster that raged there - Hurricane Maria, which destroyed communications and facilities in its path - did not bypass the residents of the Virgin Islands, also owned by the United States. To quickly eliminate the consequences of the devastating cyclone, the Federal Communications Commission allocated $ 77 million necessary to restore communications in the archipelagos.

Part of the budget funds of American taxpayers will go to the installation of new cell towers, while the other part will go to more progressive and advanced solutions in the communications field. The latter include an initiative called Project Loon, a joint effort between Alphabet and AT&T operators, together with T-Mobile.

In addition to the launch of Project Loon, AT&T management announced a trial run of an alternative to bulky balloons - "temporary 4G towers" based on Flying COW (Cell on Wings) unmanned aerial vehicles. With the help of these drones, AT&T will provide local residents with access to voice services and the ability to text in the area affected by the hurricane.

For AT&T, the launch of the Flying COW series mini-helicopter in Puerto Rico was the first tentative, but no less successful step towards the mass introduction of "flying communication towers." Such drones rise to a height of 60-120 m, which allows them to cover an area of ​​about 100 km2 with a wireless network. At the same time, COW UAVs are deprived of the ability to fully maneuver due to being tied to the terrain - a cable connection to a base station on the ground.

At the moment, the first Flying COW drone is deployed in the airspace over San Juan, the largest city in Puerto Rico. In the future, it will be moved to a new location depending on the current needs of the population in connection.

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Plant Based Antimicrobial Food Wrap 26.06.2022

The pollution of the planet with plastic waste is an increasing problem, so humanity is trying to get rid of oil-based packaging, replacing it with something biodegradable. Scientists from the USA offer a replacement for cling film.

The promising technology belongs to scientists from Rutgers University. They have developed a plant-based, biodegradable coating that can be sprayed onto food. The resulting film will protect against pathogens and damage during transportation. This packaging is reported to extend the shelf life of tested avocados by 50 percent.

The new packaging technology uses fibers based on biopolymers and polysaccharides. Like a web, the fibrous material can be spun with a hair dryer-like device and wrapped around products of various shapes and sizes.

The resulting material is strong enough to protect against the ingress of foreign liquids and solids, and also contains antimicrobial elements. The fibers are impregnated with natural antimicrobial ingredients - thyme oil, citric acid and lowland. Such a film can even fight E. coli, leaving food fresh for a long time.

The film technology, which decomposes in the soil within three days and can be easily washed off the food with ordinary water, has been called "focused rotary jet spinning".

Nothing is said about commercialization yet. However, companies focused on ecological production and waste reduction will clearly be interested in the technology. Today, tons of plastic are thrown into the ocean. At the same time, 30 times more waste lies at its bottom than floats on the surface.

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