Few guys claimed to have done 1 using 2. It turned out to be a hoax. 3 does something similar to 1 for real as in 4 using something similar to 2.
What is 4 called as? How is it done?

1. 2.

2. 4.

Hint:

Cracked by: akhi , Dibyo , shashank , varuns88 , Tathagata Chatterjee , udupendra , manubhardwaj , yaksha.

akhi, Dibyo, shashank, varuns88, Tathagata Chatterjee, udupendra, manubhardwaj and yaksha