Plug-and-play external USB capture cards (often referred to as âUSB video grabbersâ) are quietly revolutionizing the way that businesses and universities record and live stream video. Magewellâs XI100D HDMI to USB3 video capture dongle. External USB capture cards perform a task traditionally assigned to internal PCI capture cards or dedicated video capture appliances. They enable video to be captured from a wide range of sources, including those that output to VGA, DVI, HDMI, and HD-SDI.
Answer 4: Beach sand has different colors because there are many different minerals that make up sand. In California, our sand usually looks white because it has minerals like quartz and pieces of shells that are made of calcium carbonate.
White Sand Beaches in Florida. Northwest Florida has some of the purest whitest sand anywhere in the state. Its dazzling crystals are nearly pure quartz resulting in soft fluffy sand that is a pleasure to walk on. I'll never forget my first steps onto the white sand beach at St. Andrew's State Park near Panama City Beach. 1  The sand was so pure and so soft. I dug my feet into it scooped it up with my hands and marveled at its purity. Only a few tiny flecks of dark minerals could be seen in the nearly pure white sand.