Engineering Blog


Learn from our challenges and triumphs as our talented engineering team offers insights for discussion and sharing.

Puzzle: Coins and Scales Part 2/2

There are nine coins, one slightly heavier than the rest.  You have three old-fashioned balances like these that you can use to compare the weights of whichever sets of coins you would like. Exactly one of the balances provides arbitrary readings (neither necessarily right nor necessarily wrong), but you don't know which balance lies. ...

Puzzle: Banter

Greg says, "I'll tell Phil the product of two integers, each of which is greater than one, and Sean their sum." After Greg whispers to both of them, Phil shrugs, "I don't know Greg's numbers." "I already knew that," Sean states. "But now I do!" Phil exclaims. Sean smirks, "Well then so do I." What might Greg's integers be?

Puzzle: About Face

After the positive attention our last puzzle received, we've decided to share more.  If you'd ever like to see all the puzzles at once, they'll both be tagged with and categorized under "Puzzles." Can you help the dog face left by only moving two “toothpicks"? We only know one answer to this question (at least so far). ...

Can You Solve this Tropical Puzzle?

This strange brain teaser has been circulating around our office recently. We've come up with a few different plausible solutions. Can you solve it? 1000  people live on a tropical paradise island. They are all really smart  and always act with perfect rationality. They’re also mute- they can’t  talk but they can hear and ...