Different versions of the same robot. Identify.

I like the latest terminator styled version. Freaky it is!

Happy Independence Day to our US members!

Cracked by: Logik, dineshk, Aparna, Manish Achuth, Rogi, Sumanth Patlolla, Bharath, Qbrain, lanu, Shwetha Maiya, Thejas V R, Dibyo, shrik, raklodramA, madhur, Rahulk, udupendra, Ananth, varuns88 and mankuTimma

Guest question from Rogi. Thanks!

Tell us how these “music” clips were made.

1 [audio:http://boiledbeans.net/audio/l1.mp3]

2 [audio:http://boiledbeans.net/audio/l2.mp3]

Hint:

P.S: Ladies and Gents, please to send guest questions to [email protected]. We like them a lot, but we have only a few trickling in lately. So, please to send. KTHX

Cracked by: Raghuvansh, dineshk, Rogi, Aparna, Dibyo, Logik, Vishnu, Thejas V R and Shwetha Maiya

Integral part of which algorithm?

Logik, Rogi and Dibyo