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Build a Passive Radar With Software-Defined Radio

Cars That Think

A reference antenna picks up a signal from, say, a cell tower, while a surveillance antenna is tuned to the same frequency. The reference and surveillance signals are compared. Building off the demand stimulated by this activity, a number of manufacturers have started making premium, but still relatively cheap, SDRs.

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New nanolithia cathodes may address technical drawbacks of Li-air batteries; scalable, cheap and safer Li-air battery system

Green Car Congress

The researchers refer to these particles as nanolithia. Overall, the new battery system is “ very scalable, cheap, and much safer ” than lithium-air batteries, Li says. Nature Energy 1, Article number: 16111 doi: 10.1038/nenergy.2016.111. And the cobalt oxide component weighs less than 50% of the nanolithia component.

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Wireless Worries Overshadow Triumphs of RF Research

Cars That Think

Kenneth Foster: In the context of RF safety, exposure refers to the fields outside the body, while dose refers to energy absorbed within body tissues. When you and your co-authors wrote your IJERPH article, was your goal to point out the success of exposure assessment research and the challenges of dosimetry? The list goes on.

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$67 Oil Has All The Majors Converging in Argentina

Green Car Congress

That means consumers are not reaping the benefits of cheap fuel. This is so important, strategically,” said the outgoing CEO of state-owned YPF, Miguel Galuccio, referring to regulated prices, according to the WSJ. Article Source: [link]. Prices for light oil are set at $67 per barrel and natural gas prices fixed at $7.50

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Alibaba’s One Wheeled Magic! Single Wheeled Electric Motor Cycle

Get Electric Vehicle

In this article, we are going to discuss another impressive aspect of electric vehicles that is ‘ The flexibility an electric vehicle offers in design ’ and one of its weird manifestation The ‘One wheeled electric bike’ by Chinese E-commerce giant Alibaba. Alibaba’s one wheeled motorcycle [ Reference ].

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Kyoto team develops new cathode material for high-energy-density rechargeable magnesium batteries

Green Car Congress

Three-electrode cells using Mg metal counter electrode and silver reference electrode were used. Moreover, the terrestrial abundance and melting point of elemental magnesium by far surpass that of lithium, translating to a cheap and safe battery system. Charge–discharge profiles of ion-exchanged MgFeSiO 4. Electrolyte was 0.5

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A closer look at axial flux motors

Charged EVs

In Issue 49, we reviewed some of the more promising advancements in materials and construction techniques for EV traction motors , one of which—the axial flux design—will be the focus of this article. This article appeared in Charged Issue 54 – March/April 2021 – Subscribe now.

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