Reidar Finsrud’s perpetual motion machine

The perpetual motion machine created by Danish artist, Reidar Finsrud is quite impressive and would make a great addition in an engineer’s living room but would a scaled up version be an efficient in generating electricity?

Calculate the velocity of water coming out of a double-entry pipe

If we know the volumetric flow rates of the water going into the two branches, then what would be the velocity of the water coming out?

New Brain Teaser – What is that number?

There is a number less than 3000 that when divided by 2 leaves a remainder of  1, when divided by 3 leaves a remainder of 2, when divided by 4 leaves a remainder of 3, When divided by 5 leaves a remainder of 4, when divided by 6 leaves a remainder of 5, and so […]

3 Questions for an Engineer

1. How much does a house weigh? 2. How much weight can a rural two-lane bridge hold? Click to Zoom 3. And finally, would this be covered under the home insurance or the car insurance policy?

DISCUSS: How can Engineering Help Developing Nations Solve Critical Problems?

I was recently listening to Dr. Tony Marjoram, the former head of engineering sciences at UNESCO on  his discussion on how engineering can help developing nations solve critical problems.   It was a quite stimulating discussion in which Dr. Marjoram provides the following blueprint answering the subject question: He acknowledges that engineering is vital in ensuring […]

A Great Engineer and Author – Nevil Shute

Every now and then we feature engineers that have contributed significantly to our profession. These exercises are simply to remind you of the important role that we play as engineers and also to provide useful insights into the lives of celebrated engineers, scientists and even authors. Nevil Shute is one such engineer. While he was […]

Profile Engineer – Archimedes

Archimedes is know as one of the great scientists of antiquity mostly hailed for his mathematical work, his theories of mechanics and his clever use of machines in the defense of Syracuse against the Romans. It is believed he studied under followers of Euclid in Alexandria, Egypt before returning to his native Syracuse, then an […]

Brain Teaser: Fill in the Blanks

Four words with the letters SNT, in that order, have all their other letters removed. You must use the letters below to fill in the blanks.
_ _ S _ N T _ _ _
S _ _ N T
S _ N _ _ T
S _ _ _ N T
Letters to use: A, A, E, E, E, I, I, L, L, Q, S, S, U, U

Brain Teaser: A Sliding Ladder

A 25 ft ladder (assume it is not an extension ladder) is placed with its foot 7 ft away from a building. If the top of the ladder slips down 4 ft, how many feet will the bottom slide out?

Brain teaser – A distribution manager’s dilemma

John the distribution manager for a leading mobile phone company has a dilemma. The warehouse has 10 unlabelled rows of pallets, each row contains thousands of phones destined for different countries. Each 100g mobile phone is exactly the same except for those in the row destined for Japan, which have a “special” 2g chip encased […]