ELI5: Explain Like I'm 5

Kernel trick

The kernel trick is like a secret way that computers use to finds patterns in data without us having to tell them how to find those patterns. Basically, it's a shortcut that helps us get to the answer faster. To understand the kernel trick, let's look at it like this: you want to ask your friend a question but you don't know how to ask it. The kernel trick is like a secret language that you can use to ask the question. So instead of trying to explain what you're asking, you can use the kernel trick to quickly get the answer you're looking for!