Bismuth is a brittle metal with a white, silver-pink hue, often occurring in its native form with an iridescent oxide tarnish showing many colors from yellow to blue. The spiral stair stepped structure of a bismuth crystal is the result of a higher growth rate around the outside edges than on the inside edges.
Whether you’re running, biking or at the gym, you can push your fitness to the next level with the new Fitbit Charge 2. The larger display lets you take in stats mid-workout without slowing down. Hitting the weights or pounding pavement, the Charge 2 tracks heart rate, monitors your sleep and features on-device breathing exercises. Find it at Best Buy today.
This NASA/ESA Hubble Space Telescope image of the core of the nearest starburst spiral galaxy, NGC 253 (also known as Sculptor Galaxy, Silver Coin Galaxy and Caldwell 65), reveals violent star formation within a region 1, 000 light-years across in the constellation Sculptor. A starburst galaxy has an exceptionally high rate of star birth, first identified by its excess of infrared radiation from warm dust.
GoPro Hero4. GoPro just released a pair of their most advanced cameras yet: The Hero4. The Black edition features a new processor with twice the power for capturing ultra high-resolution, high frame rate 4K30, 2.7K50 and 1080p120 video. The Silver edition features the first-ever built-in touch display. Both offer Bluetooth & Wi-Fi for instant sharing or remote camera control.
FREE Heart Rate Lesson: This resource will help anyone get a good understanding of what their own heart rate should be according to their age, how and why to determine the training zones they should spend the most time in when working out.