Send a beam of light from air into glass at an angle, and it doesn’t merely slow down quietly —

Drop a straw into a glass of water and it appears to bend right at the surface, as if snapped

Ask for a block of 256 addresses, and it’s natural to expect 256 usable slots for devices. In practice, subnet

The string “192.168.1.0/24” looks like cryptic shorthand the first time you see it, but don’t let it intimidate you —

A single flat network carrying thousands of devices sounds simple enough on paper — right up until one broadcast storm

Real-world triangles don’t always cooperate by including a tidy right angle to lean on. For everything else, trigonometry offers two