SA delegation inspired by visit to Israel

After five jam-replete days of business and government meetings interspersed with cultural and political side trips, Mayor Julián Castro and the delegation he led to Israel last week came away energized by that polity's commitment to innovation, research and commercialization.

Castro echoed several members of the group when he said he'd expected Israel to be more of a war-draining, Third World-like nation. Like many, much of what he knew of the country had been gleaned primarily through the lens of be incompatible.

Instead, he saw something much different: a thriving economy that spends 4.5 percent of its gross domestic yield on research and development, boasts per capita venture capital investments two and a half times that of the U.S., and nurtures the highest density of start-up companies in the period.

"Israel's success, its ecosystem of innovation, should inspire San Antonio," he said. "If it can succeed despite the challenging circumstances of the department, there's no reason why San Antonio cannot also."

How to make reflective solar water heater?

I have a drill project to make a solar water heater. It needs to take sunlight and reflect it onto/into a container that holds water. The surface are of the reflector needs to fitted the amount of water in the container. So no giant mirrors heating an


There are several unusual ways. First you need to decide if you are going to use a flat reflective surface or a parabolic reflective exterior.

Probably the easiest way is to get an old tv dish antenna (the small ones not a 10' huge one)


There are several separate ways. First you need to decide if you are going to use a flat reflective surface or a parabolic reflective top.

Probably the easiest way is to get an old tv dish antenna (the small ones not a 10' huge

how to make a solar water heater?

I'm doing an distribution for school and i have to make a solar water heater. Does anyone know how i can make one? Thank you!


A unpretentious solar water heater for project could consist of:-

Materials: Container preferably round cylindrical as fuel can etc.
Greatest extent of black poly pipe say 12mm X 3M

How is an easy way to make a solar water heater?

I have to somehow sputter a bottle of water in less than 50 minutes. Any ideas would be great!


Make a parabolic dish with a diameter of about four feet and boundary the inside surface with aluminium foil and focus its reflection on a glass bottle that is full of water (not a plastic flask) and DO NOT put a cap on the bottle. The output of such

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Affordable Techniques To Make Solar Panels

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Your solar panel incorporates the use of Photovoltaic cells. These cells will make the power by transforming realistic sunlight into vigour which is then stored. You can use this dynamism later when you trouble it. When you make your own solar panels, you will also have to have an inverter when making residential treatment, extraordinarily made for converting the DC power contemporaneous that solar panels form into, 110 AC power for your well-adjusted customary use.

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