Biosafety cabinet

Okay, kiddo, let me explain what a biosafety cabinet is in a way you can understand. Do you know how doctors and nurses wear special clothes called gowns and gloves to protect themselves and their patients from germs when they're doing medical procedures?

A biosafety cabinet is kind of like a giant protective suit for scientists and researchers who work with really tiny things like germs or bacteria that could make them sick or cause problems. It's a big box with a glass window that looks like a small kitchen window but much thicker.

When scientists work inside this box, they wear special clothes to keep them safe and prevent bacteria from coming out. There are three types of biosafety cabinets, but the most common type is called a Class II biological safety cabinet, which provides the most protection.

This kind of cabinet has a powerful fan that blows air through HEPA filters that get rid of all the germs and bacteria in the air. The fan also helps keep the scientists from breathing in anything harmful or getting it on their skin.

So, the biosafety cabinet is like a magic box that keeps scientists safe while they're studying little things that could make them sick, and it helps make sure that those little things don't get outside and hurt other people!