Early tennis balls were made of a variety of materials including leather stuffed with wool, a wool-wrapped stomach of a sheep or goat tied with rope, and putty and human hair. Today, they are surfaced by a felt-covered rubber compound and filled with a nitrogen and oxygen mixture. They are 2.57–2.70 inches in diameter and weigh 1.98–2.10 ounces. In 1972,…
![Golfers edged at Boundary Oaks](https://acalanesboosters.com/wp-content/uploads/2023/09/IMG_7726-770x416.jpg)
The girls golf team moved to 4-1 after their first loss of the season at Boundary Oaks golf course. Despite some great play and spectacular shot-making, Boundary Oaks has never been the favorite course of the Lady Don’s, and thankfully we’re done with it for the year. The Lady Dons final matches will all be played at our home course,…