A little bit of explosives technology for today. The object in the picture below is a unique kind of explosive. It was typically used for clearing barbed wire fences in the battlefield. A series of these would be joined together, slid under the wire, and then the whole thing would be detonated. All this had to be done under fire, of course. What it is?

Answered by: nihit , udupendra , Dhruva , fsdgdsg , bobo , bs , Ganesh Prasad , Varun.M , prasanth , 2ndratequizzer , rajeshvj , Swetha , jayanth , sridhar , iamniks , yaksha , Prasad and Biki.

nihit, udupendra, Dhruva, fsdgdsg, bobo, bs, Ganesh Prasad, Varun.M, prasanth, 2ndratequizzer, rajeshvj, Swetha, jayanth, sridhar, iamniks, yaksha, Prasad and Biki

Who is this?( you have all the required information on the currency note :) )

Ye gods. Large quantities of people got this one right… bs , pratap , zatar , Atul Mathew , jayanth , Gammafunction , Varun.M , Shakeel , prasanth , SidSen , shivani , Ganesh Prasad , piezocake , yaksha , 2ndratequizzer , bobo , Dhruva , iamniks , Goutham , udupendra , nihit , Prasad , BiGFooT and sridhar got this.

bs, pratap, zatar, Atul Mathew, jayanth, Gammafunction, Varun.M, Shakeel, prasanth, sidsen, shivani, Ganesh Prasad, piezocake, yaksha, 2ndratequizzer, bobo, Dhruva, iamniks, Goutham, udupendra, nihit, Prasad, BiGFooT and sridhar

Who is this?

Hint

Cracked by: Prasad , nihit , iamniks , zatar , 2ndratequizzer , SidSen , alephnull , Atul Mathew , Varun.M , Hema and yaksha

1. Amedeo Avogadro. The constant Avogadro’s number(6.023e23) is named after him

The hint was the pic of a “Mole”. 1 Avogadro Number of anything is called a Mole :)

Prasad, nihit, iamniks, zatar, 2ndratequizzer, sidsen, alephnull, Atul Mathew, Varun.M, Hema and yaksha

Identify and connect the following :

Lots of people came really close, but only Dhruva , SidSen , alephnull , Gammafunction and Prasad got the right answer.

Dhruva, sidsen, alephnull, Gammafunction and Prasad

Identify the logo and explain its meaning.

Bravo!!
yaksha and piezocake get a red helium balloon each :)

ACM International Collegiate Programming contest has a logo which pretty much summarizes the contest

1. Think about a solution to the problem at hand

2. Get an Idea, Solve the problem

3. Get a Red helium balloon tied to your table.

This is basically done so that in the contest arena where a hazaar teams sit, people can make out which team has solved how many problems.

Nice crack, yaksha and piezocake!

yaksha and piezocake

The famous picture below has a small prank in it. Identify the dudes in the picture, and the easter egg it contains.

(Some visual acuity required :-) )

Cracked by: devadutta, BiGFooT (Yeti returns!) , nihit , Poornima , jayanth , Gammafunction , udupendra , Dhruva , alephnull, yaksha and piezocake.

BiGFooT, nihit, Poornima, jayanth, Gammafunction, udupendra, Dhruva, alephnull, yaksha and piezocake

Who are these insects named after?

1. 2.

Cracked by: srikanth , Atul Mathew , Gammafunction , Vinod , prasanth , udupendra , yaksha and BiGFooT.

As if software bugs were not enough,

1. Eristalis Gatesi - Bill Gates
2. Eristalis Alleni - Paul Allen

have flower flies (bugs) named after them :)

Atul Mathew, Gammafunction, Vinod, prasanth, udupendra, yaksha and BiGFooT

Identify the object in the picture:

Cracked by: devadutta, udupendra , Gammafunction , nihit and prasanth.

udupendra, Gammafunction, nihit and prasanth

Who is she?

Take a close look at what she is drawing

Cracked by: udupendra , Biki , srikanth , Gammafunction , yaksha and nihit.

She is Lorrie LeJeune. She draws all those freaky but awesome looking animal illustrations on the O’Reilly books.
More info here http://www.oreilly.com/pub/a/oreilly/news/lejeune_0400.html

udupendra, Biki, srikanth, Gammafunction, yaksha and nihit

A very simple one, considering the context. Identify the logo below, and its significance:

Answered by: alephnull, prasanth and Tathagata Chatterjee.

alephnull, prasanth and Tathagata Chatterjee