1975 NASA JPL Goldstone Demo of Wireless Power Transmission

[srofficial06]

This technology needs to be applied to rocketry. Specifically as a catalyst and maximization tool enabling Solid Rocket Boosters using aluminized or other metallic propellent formulas by applying voltage such as this during the ascent directly into the rocket nozzle suppling continuous high voltage to radically reformulated heavily metallic solid rocket propellents , much less reliant upon less uniform traditional high explsives components now found in most SRB's ?

[grdja83]

Enough with Tesla myths and fairytale, its boring, its been boring for a long time now. Go hunt for Bigfoot or whatever...

[zcxvasdfqwer1234]

@grdja83 Tesla was very real and he did get shafted even though our world is currently based on his sweat and blood. Read the man's words for yourself instead of spatting out uninformed opinion. I bet you do not even understand how AC current is generated, enters your house, and how your computer utilizes it.

[hatsoff144]

hot damn! nasa=never a straight answer.

[DancingSpiderman]

HAhahaha, I present to you... Doctor Dickerd Dickerdson.

[Prestostark]

This is the technology used to beam Solar Power down from collection platforms (satellites) in space. There is another demo where a guy stands in the beam for a few minutes and he's just fine. He lived to be 81. So don't worry about birds and airplanes. It's part of the solution that will save our country.

[Potemtole]

pppsshh, nasa, nasa sucks, ummm nickola tesla did a full 5kw around the world with a 95% efficency wirelessly via the ionosphere

[FalterVayne]

@Potemtole yeah via HAARP in Alaska

[namealreadyused12345]

hahahah X2!

[A7med455]

can you point me to an article about that

[T0B0KKE]

@Potemtole referece please.

[goyherder]

Why is it called goldstone?

[sina4]

@okwoode Or Goldstone COULD be a reference to the ghost town of Goldstone, which was founded during the gold rush.

[rdt1970]

we can easily tap into vast amount of energy in ionosphere tesla did a crude version of this experiment we are 70yrs on from what he was doing with electronics. think there is now alot of stuff that sensored

[sqhschief]

@rdt1970  Exactly.

[gmarf1]

500kW rf input and 34kw output is 6.8 % efficiency in my book. Also what was the efficiency of converting mains power ( from the Grid ) into RF power ?

[CitizenCS]

Imagine a poor bird flying through this beam!  Think Wind Turbines are dangerous? lol

[DarthPickley]

what makes you think that high frequency radio waves are dangerous to birds? its not like there's a giant microwave oven there... the people aren't really that stupid. I'd feel worse for the birds who are around when the space shuttle launches... I actually witnessed one of those and it is pretty violent looking (from far away of course)

[Prestostark]

@DarthPickley The frickin' wind generators are killing birds and bats at a fantastic rate.

[DancingSpiderman]

@CitizenCS I enjoy my poultry nice and krispy.

[zzapt]

The light bulb array gives a nice visual of the power being transmitted and of painting the target with the radio beam. What happens when you scale this up to useful size, both power levels and distances? A more useful measure of efficiency would be total power input to the transmitter compared to total power output from the receiver. The optimistic sounding 82% received power to output power they mention sounds optimistic, but it is just one piece of the total system.

[thedood64]

Tesla was ruined for greed. just like many genius' today

[afxgrin]

82% efficiency? I'm assuming this was of just the received power, because the beam will obviously diverge. That dish is rather large though, so the divergence is reduced, as the divergence is inversely proportional to the dish size.

So I'm assuming when they claim 82% efficiency, that is of the power density of the beam that covers the area of the rectenna, excluding the power density that diverges past it.

Keep in mind, Tesla also made claims of 6% loss for his experiments.

[someman7]

Noone recreated what Tesla did. :-(

You're a physics student are you? Why can't you just pick up the drawings/blueprints, study his ideas, and compare them to what we have accomplished, and create that antenna of Tesla's?