Leaves a Bad Taste: Large Vanilla McCafe Shake: 820 calories. A large (22 oz) vanilla milkshake from the McCafe will set you back 820 calories. That's about two-thirds of a whole day's calorie content of 1,500, recommend for weight loss. A medium (16 oz) shake has 670 calories, while the small (12 oz) vanilla milkshake has 530 calories.
Darkness doesnât involve waves because itâs a lack of electromagnetic waves. If you define the speed of dark to be the speed at which you could find out about someone turning out the lights, itâs exactly the same as the speed of light: 671 million mph, or 2.99 x 108 m/s, or about 1 foot per nanosecond.
Light moves at the fastest known speed in the universe. Nothing moves faster than (or even close to) the speed of light. In a vacuum, where there is nothing to slow it down, light travels 186,282 miles per second! Wow, that's fast! When light travels through matter, like air or water, it slows down some, but it's still pretty fast. To give you and idea as to how fast light is, we'll give you some examples. The sun is almost 93 million miles from the Earth. It takes around 8 minutes for light to get from the sun to the Earth. It takes around 1.3 seconds for light to go from the moon to the Earth. Refraction. Normally, light travels in a straight path called a ray, however, when passing through transparent materials, like water or glass, light bends or turns.