Did you know…

• Not all helicopters can loop the loop:
  

  Gazelle helicopters can loop the loop. Image by AndrejS.K for Wikimedia

mitchellwallington : can helicopters do a loop the loop?

edwardtaylor : yes helicopters can do the loop the loop, but only a few of them, not all. The Gazelle is a British army helicopter which is renowned for doing loops!

• Waste can be turned into energy:

7325dan : how do you turn waste in to energy

keithbeattie : you can incinerate (burn) waste and use the heat to generate steam that can be used to power a generator. Or in a process called anaerobic digestion, compostable type waste ( food or plant material) is rotted down, producing methane gas (bio gas) as a byproduct and this can be used to power a boiler

• It’s probably best Ed doesn’t tell his boss about taking part in I’m an Engineer: 

landrosa : do you design confidential machinary for the govenrment


edwardtaylor : yeh all of the work I do is confidential, which means Im not allowed to take it home and Im not really supposed to tell people about it. Hopefully they wont mind me doing this though! (ooops!)

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Head here for more.

That’s 2 engineers down, 2 to go – hope you’re voting!