Monday January 21, 2019
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U.S. Supermarket Delivers Using Unmanned Vehicle

Kroger said the service would be available in Scottsdale at its unit Fry's Food Stores

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Kroger, Technology
A woman walks in front of an unmanned delivery vehicle known as the R1 in this handout photo provided by Kroger. VOA

U.S. supermarket chain Kroger Co said on Tuesday it has started using unmanned autonomous vehicles to deliver groceries Scottsdale, Arizona in partnership with Silicon Valley startup Nuro.

The delivery service follows a pilot program started by the companies in Scottsdale in August and involved Nuro’s R1, a custom unmanned vehicle.

The R1 uses public roads and has no driver and is used to only transport goods.

Kroger’s deal with Nuro underscores the stiff competition in the U.S. grocery delivery market with supermarket chains angling for a bigger share of consumer spending.

Kroger, Technology, Vehicle
A man unloads goods from an unmanned vehicle known as the R1 in this handout photo provided by Kroger.VOA

Peers Walmart Inc and Amazon.com Inc have also invested heavily in their delivery operations by expanding their offerings and shortening delivery times.

Walmart, Ford Motor Co and delivery service Postmates Inc said last month they would collaborate to deliver groceries and other goods to Walmart customers and that could someday use autonomous vehicles.

Also Read: Robots May Be Able to Perform C-Sections Soon

Kroger said the service would be available in Scottsdale at its unit Fry’s Food Stores for $5.95 with no minimum order requirement for same-day or next-day deliveries. (VOA)

Next Story

New Technology That Can Clean Water Twice As of Now

more than one in 10 people in the world lack basic drinking water access, and by 2025, half of the world's population will be living in water-stressed areas.

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water
Novel technology cleans water using bacteria

Researchers, led by one of Indian-origin, have developed a new technology that can clean water twice as fast as commercially available ultrafiltration membranes, an advance that brings hope for countries like India where clean drinking water is a big issue.

According to a team from the Washington University in St. Louis, more than one in 10 people in the world lack basic drinking water access, and by 2025, half of the world’s population will be living in water-stressed areas.

The team led by Srikanth Singamaneni, Professor at the varsity, developed an ultrafiltration membrane using graphene oxide and bacterial nanocellulose that they found to be highly efficient, long-lasting and environment-friendly.

The membrane technology purifies water while preventing biofouling, or build up of bacteria and other harmful micro-organisms that reduce the flow of water.

Water
The membrane technology purifies water while preventing biofouling. VOA

For the study, published in the journal Environmental Science and Technology, they used bacteria to build such filtering membranes.

The Gluconacetobacter hansenii bacteria is a sugary substance that forms cellulose nanofibres when in water.

The team then incorporated graphene oxide (GO) flakes into the bacterial nanocellulose while it was growing, essentially trapping GO in the membrane to make it stable and durable.

They exposed the membrane to E. coli bacteria, then shone light on the membrane’s surface.

After being irradiated with light for just three minutes, the E. coli bacteria died. The team determined that the membrane quickly heated to above the 70 degrees Celsius required to deteriorate the cell walls of E. coli bacteria.

While the bacteria are killed, the researchers had a pristine membrane with a high quality of nanocellulose fibres that was able to filter water twice as fast as commercially available ultrafiltration membranes under a high operating pressure.

When they did the same experiment on a membrane made from bacterial nanocellulose without the reduced GO, the E. coli bacteria stayed alive.

The new technology is capable of identifying and quantifying different kinds of cyanobacteria, or blue-green algae, as a threat to shut down water systems when it suddenly proliferates. Pixabay

While the researchers acknowledge that implementing this process in conventional reverse osmosis systems is taxing, they propose a spiral-wound module system, similar to a roll of towels.
Also Read: India Gets Assistance of Rs 3,420 Crore From Japan
It could be equipped with LEDs or a type of nanogenerator that harnesses mechanical energy from the fluid flow to produce light and heat, which would reduce the overall cost.

If the technique were to be scaled up to a large size, it could benefit many developing countries where clean water is scarce, the researchers noted. (IANS)