Lesson #550

A sign warns motorists of kangaroos. Rio Tinto searched a road like this for a missing capsule.

February 27, 2023

Hunt in Australian Outback for a tiny, radioactive capsule

A radioactive capsule the size of a pencil eraser fell of a truck in Western Australia. The capsule was part of a machine used in mining for iron ore. That led mining giant Rio Tinto and the Australian government to search a 1,400-kilometer stretch of desolate highway, searching for something the size of a pea. Plus, learn the phrasal verb "set off."

Exercise

Exercises for Lesson 550

Lingo

Stretch of highway

A 'stretch of highway' is a portion of a road

Expression

Set off

When you leave on a long or important journey, you 'set off'

Video

The equivalent of

Put a measurement in perspective with 'the equivalent of'

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