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Civilian Satellites Descend Into Very Low Earth Orbit

14 Δεκεμβρίου 2023 by paulkokos

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The first commercial very low-Earth orbit (VLEO) satellite will probably launch before the end of December, depending on how things go at China Aerospace Science and Industry Corporation (CASIC) and EOI Space. Both companies claim they are leading the way on an over-the-horizon idea that will bring satellites more down-to-Earth…

3 Paths to Sharper Images

13 Δεκεμβρίου 2023 by paulkokos

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The quality of a camera is typically limited by its size and ability to let in a lot of light. In smaller cameras, lenses can help improve the image quality to an extent, but new approaches are instead looking to improve cameras by modifying the sensors that convert rays of…

Stop Trusting Your Cloud Provider

13 Δεκεμβρίου 2023 by paulkokos

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Stephen Cass: Hello and welcome to Fixing the Future, an IEEE Spectrum podcast where we look at concrete solutions to some tough problems. I’m your host Stephen Cass, a senior editor at Spectrum. And before we start, I just want to tell you that you can get the latest coverage…

IoT Related EM Simulation Scenarios

12 Δεκεμβρίου 2023 by paulkokos

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Electromagnetic aspects of selected Internet of Things (IoT) scenarios are presented: devices inside an aircraft apartment, devices used for locating humans inside a corridor, several RFID devices and several reader/tag scenarios. The suitability of WIPL-D software to analyze IoT systems is demonstrated including flexible EM modeling and numerically efficient simulations.…

How to give AVs a moral compass

12 Δεκεμβρίου 2023 by paulkokos

paulkokos

If you were the conductor of a trolley barreling toward two human beings, each one on either end of a fork in the track, could you choose which life to spare?This problem, one of the most famous thought experiments in all of philosophy, was proposed by British philosopher Phillipa Foot…

COP28 Takeaway: Are Low-Carbon Websites Possible?

12 Δεκεμβρίου 2023 by paulkokos

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The website of the U.N.’s annual climate change conference—dubbed COP28 this year—has a “Switch to Low Carbon Version” toggle at the top of the page. It seems a salutary touch, one that might encourage other websites to add less carbon to the atmosphere. But it is instead an example of…

New Device Leads to “Dendrocentric Learning”

12 Δεκεμβρίου 2023 by paulkokos

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Neuromorphic computing has so far tried to mimic the synapses between neurons in the brain. But a new approach instead aims to act like dendrites, the spindly structures that branch out from the nucleus of a neuron like the roots of a tree. Dendrites receive signals from other neurons via…

Why Li-Fi Might be Better than Wi-Fi

10 Δεκεμβρίου 2023 by paulkokos

paulkokos

The recent adoption of IEEE 802.11bb has launched light fidelity, or Li-Fi, which opened the door into an era of wireless communication for advanced Wi-Fi technologies. Li-Fi enables Wi-Fi to use light waves instead of radio waves to transmit and receive data.IEEE 802.11bb defines the rules for how Li-Fi devices…

Video Friday: Floppybot

9 Δεκεμβρίου 2023 by paulkokos

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Your weekly selection of awesome robot videosVideo Friday is your weekly selection of awesome robotics videos, collected by your friends at IEEE Spectrum robotics. We also post a weekly calendar of upcoming robotics events for the next few months. Please send us your events for inclusion.Humanoids 2023: 12–14 December 2023,…

Self-Driven “Vine” Seeks Light and Heat

8 Δεκεμβρίου 2023 by paulkokos

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This article is part of our exclusive IEEE Journal Watch series in partnership with IEEE Xplore.Thanks to eons of evolution, vines have the ability to seek out light sources, growing in the direction that will optimize their chances of absorbing sunlight and thriving. Now, researchers have succeeded in creating a…

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