Scientists sometimes use very expensive high tech equipment.
This is an Acoustic Doplic Current Profiler which cost $50,000. It is used by hydrologists at NIWA to measure the flow and depth of rivers.  This one was used at Otaki river.  It is capable of taking millions of recordings.  It looks like a bath toy!

The information recevied by the ADCP connects straight to the laptop. Easy! Yahoo for technology!!!

Hey boys and girls at Waikanae School, can anyone tell me where and what this is?

In the centre right of the photo there is a pipe. It has been cut off. How far did it use to go and what was it used for?
Thought you might like to see the Nga Manu resident tuatara.  He came out of hibernation to visit a group of Japanese college students.

Scientists use special instruments.
What do you think I use this for?
Does it look like something you have seen before?