Category: Updates

How are cables identified?

Green and Bare Copper : Only for grounding. Which wire is used in household?The most common type of wiring in modern homes is in the form of nonmetallic (...

How many cubes fit in a cube?

Each cube has a volume of 2 3 = 8 cm 3 . \displaystyle 2^3 = 8\text{ cm}^3. 23=8 cm3. Then there can be: 320 ÷ 8 = 40 cubes in the box. How many cubes are...

What is the blue eyes riddle?

At the start of the puzzle, no one on the island ever knows their own eye color. By rule, if a person on the island ever discovers they have blue eyes, th...