Animals can detect small particles in the air or sometimes water that people can not.

A particle counter is an instrument that detects and counts particles.

A hadronic detector is required in particular to detect heavy neutral particles.

Two instruments were designed to detect charged particles such as protons and electrons.

The original version was only capable of detecting alpha particles.

"Our invention probably wouldn't detect radioactive particles buried deep in the ground," he said.

This makes it relatively easy to detect strange particles through the tracks left by their decay products.

We detected particles of several polishing and finishing compounds, some quite unusual.

They have a finite life, especially when detecting heavy particles, because of radiation damage.

It can detect particles of smoke that are too small to be visible.