Traceable history of a celebrated invention. The British scientist appearing in the last image is supposed to be the real inventor, but it was patented and perfected by another inventor in America.

Which invention are we talking about? Who is the British inventor and Who is the American inventor ?

For fake bonus points, identify everyone.

Cracked by: Bharath, KK, Raghuvansh, Manish Achuth, Sumanth Patlolla, rickde, Rogi, jowens, shrik, Vishwas B Sharma, Ananth, raklodramA, Rahulk and Dibyo

No point explaining this too much. Who wrote this?

Cracked by: shrik, Rogi, Sumanth Patlolla, rickde, jowens, Bharath, KK, Raghuvansh, Manish Achuth, Aditya, Vishwas B Sharma, Ananth, raklodramA, Rahulk and Dibyo

These places which are very much on Earth have been shown to be from another planet in a popular movie. Which movie?

Cracked by: Raghuvansh, Manish Achuth, Rogi, Bharath, KK, jinz, raklodramA, Sumanth Patlolla, rickde, finkle, jowens, Dibyo, shrik, rohanquizzer, Puja, Aditya, Vishwas B Sharma, Ananth, Rahulk and Shwetha Maiya

What is this tower famous for? You probably recognize a silhouetted b&w image.

Cracked by: Ananth, KK, Manish Achuth, raklodramA, Sumanth Patlolla, Dibyo, shrik, Vishwas B Sharma, finkle, Raghuvansh, Rogi, Bharath, jinz, rickde, jowens, Godzilla101, rohanquizzer, Rahulk and Shwetha Maiya

What is this? To be specific, tell us what time the top dial shows.

Cracked by: Thejas V R, shrik, Sumanth Patlolla, Rogi, KK, rickde, Bharath, jowens, Rahulk, Vishwas B Sharma, Manish Achuth, Ananth, Raghuvansh and raklodramA

Brilliant video demonstrating multiple physics concepts. Identify the instrument in the center and for bonus cookie points, tell us which principle is responsible for the effect seen when UV light is cast on the instrument.

Oh, there is a Zinc plate on the instrument. That is very vital for the effect you saw.

Cracked by: Rogi, tanwi, rickde, Vishwas B Sharma, shrik, jowens, Manish Achuth, Raghuvansh and raklodramA

Artist’s depiction of a famous experiment. Which experiment? Who the dude in the painting?

Cracked by: rohanquizzer, raklodramA, Rogi, finkle, tanwi, rickde, Sumanth Patlolla, Amarendra Kumar, Anjul, Vishwas B Sharma, Kaustubh Mhatre, KK, Thejas V R, shrik, Mr.Bay Leaf, Bharath, jowens, Rahulk, Manish Achuth, Ananth, Dibyo, vinayaknp, Raghuvansh, v.chandrashekar and nandha k samy

What is this? Who built it?

Cracked by: raklodramA, rohanquizzer, Rogi, finkle, tanwi, rickde, Sumanth Patlolla, Anjul, Amarendra Kumar, Vishwas B Sharma, KK, Thejas V R, shrik, Mr.Bay Leaf, Bharath, jowens, Rahulk, Manish Achuth, Ananth, Dibyo and Raghuvansh

1 and 2(not shown here) invented a super popular internet protocol. 2 is very famous and is the public face of the protocol, but, not too many people have seen 1. Who is 1?

Cracked by: Sumanth Patlolla, Rogi, Rajesh, Ananth, Vishwas B Sharma, finkle, raklodramA, rohanquizzer, tanwi, rickde, varun, Anjul, Kaustubh Mhatre, KK, Thejas V R, shrik, Bharath, Shwetha Maiya, jowens, Rahulk, Manish Achuth, Dibyo, Raghuvansh and v.chandrashekar

Disney sells this series of videos for babies. Very popular. What is it called?

I think they are spooky though. Cracked by: Rogi, Mo, Sumanth Patlolla, rickde, Vishwas B Sharma, shrik, jowens, Manish Achuth, Ananth, Raghuvansh and raklodramA