KABUDI

Useful answers. Nothing extra.

Short notes about ordinary products, practical decisions, and things worth understanding.

Tools

Why Cutting Oil Helps When Drilling Metal

Lubricant reduces friction and carries heat away from the cutting edge and workpiece. It can also help chips move away from the cutting zone.

Home

Why a Toilet Can Refill Briefly When Nobody Used It

A worn or dirty flapper can allow water to leak slowly from the tank into the bowl. When the tank level falls enough, the fill valve opens briefly to restore it.

Kitchen

Why Baking Soda Encourages Browning

Baking soda raises surface pH, and many browning reactions proceed faster in a more alkaline environment. A very small amount can noticeably change color and flavor development.

Technology

Why Bluetooth Range Changes From Room to Room

Bluetooth uses radio waves that are affected by walls, people, metal objects, antenna orientation, interference, and the power of both devices.