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In 1856 the British Government's Trinity House installed a lighthouse at Cape Race point in Newfoundland. In 1908, when a larger lighthouse was built at Cape Race, the lighthouse was...

BILL GROSS: My solve for X is making solar energy cheaper than fossil fuels with no subsidies. So that's a very tall order. I believe it will be revolutionary and important for the world. And...

I’m Melissa with Woolenton Optometry for Expert Village here to tell you how to choose your eyeglasses. Antireflective treatments are one of the most important things that you can get on your lenses....

welcome to another edition of the new our guest experts help you learn about the latest medical advances and procedures by providing you with the real information necessary to help you eliminate...

Hi, welcome to Form 4, Chapter 7 In this lesson, we're gonna talk about images that are formed by a plane mirror, convex lens as well as concave lens. And all this has got to do with light...

Hola, muy buenas a todos, bienvenidos al canal de Experimentos Caseros. Hoy vamos a hacer un proyector casero para el portátil. Thenewwelkeyp Cdy nos ha pedido que hagamos este invento. Así que aquí...

Parece estar funcionando bastante bien. No puedo resistir mi mano en el punto focal. Eso es una buena señal. Si pones la mano justo en el foco sientes que te quema instantaneamente. Punto focal Hola...

I'm hooking you guys up with the sickest tour you've even seen. Doc Chop: What's up Doc? You're going to see some people that you already know and have met. And see...

What is the dip tube on my hot water tank? Dave Walton, director home ideas, Direct Energy The dip tube is a plastic tube connected to the inlet – cold water - of your water heater. As water is used,...

but did you understand photovoltaic panels for sale can conserve you money? that solar energy systems getting in touch with our globe from the most abundant sources electricity known to man im power...