Cameras and Tests. The three webcams I compared were the embedded webcam on my HP EliteBook 8760w; the Logitech HD Webcam C615, an external unit you can buy for under $40; and the Logitech Broadcaster, an external unit that costs around $200 (Figure 1, below).
Special cake flour with a high starch-to-gluten ratio is made from fine-textured, soft, low-protein wheat. It is strongly bleached, and compared to all-purpose flour, cake flour tends to result in cakes with a lighter, less dense texture.
Sponge cake is made with flour, sugar, and eggs at a ratio of 1:1:2. Short pastry is made by mixing flour, eggs, butter, and sugar, with the butter and sugar comprising 60 and 40 percent of the quantity of the flour. Puff pastry is made by mixing flour and eggs with water in which salt and a small amount of citric acid have been dissolved.