Image above depicts a funky invention by an extremely funky ancient dude. What is it, and who was he?

Rogi, SV, sidsen, Raghuvansh, piesauce, Dibyo, KK, shenoyvarun86, Gurupad, Aditya, krudebox, Logik, Chinmaya U.Holla, Ps, Kaushik, udupendra, eli, raklodramA, shrik and darthshak

Identify and connect.

Cracked by udupendra, Dibyo, Kaushik, Rogi, Chinmaya U.Holla, sidsen, Ps, shrik, Gurupad, krudebox, shenoyvarun86 and Aditya

Sorry for the delay with this question folks. Looks like our host was having some uptime issues yesterday. Anyway, here goes:

Identify and connect:

Cracked by Rogi, udupendra and Rithwik K

Japanese awesomeness to control what?

Cracked by: Raghuvansh, Gurupad, madhur, Rogi, udupendra, sidsen, shenoyvarun86, varuns88, Aditya, akhi, Anurag, foobar, Dibyo, Logik, duriel, bobo, shrik, KK, Anubhav, alephnull, krudebox, Ps, RahulN, Chinmaya U.Holla and Vijay

Identify (1), connect to (2). (3)s a clue.

Cracked by Logik, dheeraj, Raghuvansh, akhi, Rogi, Dibyo, madhur, udupendra, krudebox, Gurupad, Chinmaya U.Holla, shrik, shenoyvarun86, RahulN, varuns88, Aditya, Siddarth Pai, sidsen and eli

Advertisement of what?

Cracked by Logik, Gurupad, udupendra, dheeraj, madhur, akhi, Raghuvansh, Rogi, Dibyo, varuns88, shrik, shenoyvarun86 and alephnull

Hot off the presses! A new look at an old device. What’s this?

Cracked by Raghuvansh, quaziluffy, Dibyo, Chinmaya U.Holla, shenoyvarun86, Rogi, Gurupad, priyananda, Debasish, Aditya, Higgers, Logik, madhur, KK, krudebox, achyuth, xtremevarun, Kaushik Saha, udupendra and dheeraj

Guest question from udupendra. Thanks saar! Your trophy:

What are they doing?

Cracked by dheeraj, xtremevarun, Dibyo, udupendra, Rogi, Gurupad and Chinmaya U.Holla

(1) is with floating point and (2) is without. What’s the funda?

Cracked By: madhur, Ananth, poo, Gurupad, Dibyo, Logik, Rogi, Chinmaya U.Holla, shenoyvarun86, SV, Ps, Raghuvansh, shrik, emrohit, p vs np, varuns88, sidsen, krudebox, AmK and Mo

These microscopic gears, which were in news recently, spin with the help of something. What?

Cracked by: dheeraj, Rogi, Raghuvansh, varuns88, Dibyo, madhur, udupendra, Ps, Higgers, RahulN, shenoyvarun86, Gurupad, Thejas V R, Aditya, anurag, shrik, Chinmaya U.Holla, krudebox, tete80, p vs np, Logik, adiS, Ananth, sidsen and Mo