Let me use a rice cooker to explain this issue. Twenty years ago, a Chinese rice cooker cost about $20 to $30. The quality was average, and the functions were quite limited. It cooked rice pretty ...

While Venn diagrams may not have solved any long-standing open problems, surely these interlocking rings deserve more credit. Their compact representation of group relationships explains their ...

Newly included items, such as microwave ovens, dishwashers, rice cookers, and water purifiers, join previously eligible products like refrigerators, air conditioners, televisions, cellphones, and ...