Watch Out For Smart Dust

Written by Bernard Marr on May 15, 2020. Posted in Current News

Imagine a world where wireless devices are as small as a grain of salt. These miniaturized devices have sensors, cameras and communication mechanisms to transmit the data they collect back to a base in order to process.

Today, you no longer have to imagine it: microelectromechanical systems (MEMS), often called motes, are real and they very well could be coming to a neighborhood near you. Whether this fact excites or strikes fear in you it’s good to know what it’s all about.

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What can smart dust do?

Outfitted with miniature sensors, MEMS can detect everything from light to vibrations to temperature. With an incredible amount of power packed into its small size, MEMS combine sensing, an autonomous power supply, computing and wireless communication in a space that is typically only a few millimeters in volume. With such a small size, these devices can stay suspended in an environment just like a particle of dust. They can:

•         Collect data including acceleration, stress, pressure, humidity, sound and more from sensors
•         Process the data with what amounts to an onboard computer system
•         Store the data in memory
•         Wirelessly communicate the data to the cloud, a base or other MEMs

3D printing on the microscale

Since the components that make up these devices are 3D printed as one piece on a commercially available 3D printer, an incredible amount of complexity can be handled and some previous manufacturing barriers that restricted how small you can make things were overcome. The optical lenses that are created for these miniaturized sensors can achieve the finest quality images.

Practical applications of smart dust

The potential of smart dust to collect information about any environment in incredible detail could impact plenty of things in a variety of industries from safety to compliance to productivity. It’s like multiplying the internet of things technology millions or billions of times over. Here are just some of the ways it might be used:

•         Monitor crops in an unprecedented scale to determine watering, fertilization and pest-control needs.
•         Monitor equipment to facilitate more timely maintenance.
•         Identify weaknesses and corrosion prior to a system failure.
•         Enable wireless monitoring of people and products for security purposes.
•         Measuring anything that can be measured nearly anywhere.
•         Enhance inventory control with MEMS to track products from manufacturing facility shelves to boxes to palettes to shipping vessels to trucks to retail shelves.
•         Possible applications for the healthcare industry are immense from diagnostic procedures without surgery to monitoring devices that help people with disabilities interact with tools that help them live independently.
•         Researchers at UC Berkeley published a paper about the potential for neural dust, an implantable system to be sprinkled on the human brain, to provide feedback about brain functionality.

Disadvantages of smart dust

There are still plenty of concerns with wide-scale adoption of smart dust that need to be sorted out. Here are a few disadvantages of smart dust:

Privacy concerns:

Many that have reservations about the real-world implications of smart dust are concerned about privacy issues. Since smart dust devices are miniature sensors they can record anything that they are programmed to record. Since they are so small, they are difficult to detect. Your imagination can run wild regarding the negative privacy implications when smart dust falls into the wrong hands.

Control:

Once billions of smart dust devices are deployed over an area it would be difficult to retrieve or capture them if necessary. Given how small they are, it would be challenging to detect them if you weren’t made aware of their presence. The volume of smart dust that could be engaged by a rogue individual, company or government to do harm would make it challenging for the authorities to control if necessary.

Cost:

As with any new technology, the cost to implement a smart dust system that includes the satellites and other elements required for full implementation is high. Until costs come down, it will be technology out of reach for many.

Read the full article at www.forbes.com

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