Re: [iPad] Case charges phones using radio waves

 

>>> Looks like Pie I the sky to me
>>
>> Beamed power has been shown to be possible for many decades.
>> So far, it has not been shown to be particularly *practical*.
>>
>> On the one hand, I would be concerned with what this case is doing to the radio-frequency signals I WANT to see on and to broadcast from my device — cellular, Wifi, GPS. Does it absorb them as well, blocking the transmissions I want? Or causing the device to use much greater power to get a signal through?
>>
>> And on the other hand, how MUCH power can it efficiently extract from ambient signals?
>
> I'm an electrical engineer and ham radio operator and I say this is junk science

You are in good company.
Edison had major disagreements with Nicola Tesla as well — for example, as to the usefulness of alternating-current.

Still, he remains classified as a genius in his fields of study — inventor, electrical engineer, mechanical engineer, physicist.

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Jim Saklad mailto:jimdoc@icloud.com

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Posted by: Jim Saklad <jimdoc@icloud.com>
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