Daily Brain Teasers for Sunday, 14 April 2019
|puzzles, riddles, mathematical problems, word games, mastermind, cinemania, music, stereograms, ...|
What a winning combination?The computer chose a secret code (sequence of 4 digits from 1 to 6). Your goal is to find that code. Black circles indicate the number of hits on the right spot. White circles indicate the number of hits on the wrong spot.
Maybe I Do Like Your Boyfriend
Father: What do you see in that boyfriend of yours?
Teen daughter: Well... he’s reliable.
Father: He’s always late picking you up!
Teen daughter: I know and I can always count on it.
Remember when you had to sit in the front room with my dates until I was ready?
Father: Now that you mention it, I’m beginning to like this guy!
Non-skid patternIn 1914, the first U.S. patent for a non-skid tyre pattern was issued to Stacy G. Carkhuff of the Firestone Rubber Co. of Akron Ohio (No. 1,093,310). The abrupt oblique edges of raised portions molded on the tyre provided against skidding in all directions. Arranged in rows diagonally across the tread surface of the tyre, the precise form of the projections was not material, but the patentee preferred to use block letters. (The image shows a sidewall area on either side of the tread area.)