Find out information about kaleidoscope. optical instrument that uses mirrors to produce changing symmetrical patterns. Invented by the Scottish physicist Sir David Brewster Brewster, Sir David,... Explanation of kaleidoscope
While books remains the most popular category for Amazon, it is quickly growing its other categories and diversifying into new areas. Here's the top 10 things people bought in February of 2015, ranked according to the number of purchasers in each category. 10. Cosmetics and fragrances.
Quick: which type of device is currently dominating Amazonâs Best Sellers list, holding the top two overall spots (as of this writing)? Answer: E. And itâs not close. Between the Amazon Fire TV, Google Chromecast, Roku 3, and Apple TV, streaming media players are lighting up online retail.