Spoons

I was eating a cup of yogurt when I was staring into the spoon. I appeared upside down in the image. The spoon acted like a concave mirror and produced a real inverted image.The distance of the image appears at the distance x in the equation (1/distance of focus)-(1/Distance of object)=(1/x). The magnification of the object is equal to (height of the image)/(height of the object). The negative value shows that the image is inverted. The magnification is also equal to -(distance of image)/(distance of object).

Renewable energy & global warming

Jeff Mikulina presented ideas for the future of Hawaii's renewable energy crisis. The results of burning fossil fuels have released a lot of carbon dioxide into the air. There is a correlation between the increase of CO2 and the recent increase in global temperature. By using other ways to generate electricity, global warming can be stalled and maybe even stopped.
Mikulina presented the most effective methods of generating electricity in Hawaii. Solar electricity will take advantage of Hawaii's abundance of sunlight. Wind turbines are also very practical. The method that was new to me was the conversion of waves into electricity. Although it is a work in progress, buoys take advantage of what surrounds our islands.
We must all do our part to eleminate our carbon footprint.