February 2012
S M T W T F S
« Jan    
 1234
567891011
12131415161718
19202122232425
26272829  

Arrow Logic

Consider an arrow in flight towards a target.

At any given moment of time, a snapshot could be taken of this arrow. In this snapshot, the arrow would not be moving. Let us now take another snapshot, leaving a very small gap of time between them. Again, the arrow is stationary. We can keep taking snapshots [...]

A Valentine’s Day Love Story

A teenage boy smitten with a teenage girl in his high school freshman class makes his feelings known. Overjoyed at finding them reciprocated, he took a pen knife to a young hardwood tree in the vicinity and carved their initials within a heart five feet up on the tree’s trunk, as boys will do.
They go [...]

Feeling Groovy

Which is greater, the number of grooves on one side of a vinyl record (if you can remember them!) or the number of days in the year?

Tower of Power

I was on a road trip with a friend when we drove past a very tall radio tower. I told my friend “That thing has to be at least a thousand feet tall!” He looked out the window for a moment, and said “No, it’s actually about 1500 feet.” We stopped at a gas station [...]

Mice Twice Thrice

Mice are famous for their ability to multiply at breakneck speeds. The type of mouse we have here gives birth once a month, birthing 12 babies each time. Baby mice mature and can give birth two months after they are born.

You picked up one of these cute baby mice at the pet shop and brought [...]

The Elephant in the Room

This is a real story from “Romance of the Three Kingdoms” which happened in ancient China almost 2000 years ago:

One day, Sun Quan gave king Cao Cao an elephant as a present. Cao Cao was very pleased and he rushed to see the arrival of the elephant with his seven year old son and his [...]

Locked Up

They keep me locked up, but I guess I’m thankful, in short. I hand out the beatings, while my neighbors import and export.
We make a good team, especially me as the muscle, But with two dozen guards, I’m glad we never tussle.
But really, I got a lot of my own connections. Imports and exports, with [...]

Chem Lab

I am a chemical symbol for an element.
This element was discovered in 1824.
I am a Spanish word without the accent.
Reverse me so I become a form of a common verb.

What symbol am I?

Name that Word

What comes next in this sequence:

fish, archer, scorpion, bull, virgin, ==?==

On the Rocks

A glass of water with a single ice cube sits on a table. When the ice has completely melted, will the level of the water have increased, decreased or remain unchanged? Tell the RiddleDude why.