Britney Gallivan Britney Gallivan Britney Crystal Gallivan (born 1985) of Pomona, California, is best known for determining the maximum number of times that paper or other materials can be folded in half. In January 2002, while a junior in high school, Gallivan demonstrated that a single piece of toilet paper 4000 ft (1200 m) in length can be folded in half twelve times. This was contrary to the popular conception that the maximum number of times any piece of paper could be folded in half was seven. She calculated that, instead of folding in half every other direction, the least volume of
How Can I Be Sure the album's first single, "How Can I Be Sure" became the second of Cassidy's three Top 30 solo hits on the "Billboard" Hot 100 with a peak of #25, Cassidy's third Top 30 hit (and fifth and final Top 40 hit) being " "Lyin' to Myself" eighteen years later in 1990. On the "Billboard" Easy Listening chart "How Can I Be Sure" peaked at #3. In the British Isles "How Can I Be Sure" would afford Cassidy a #1 hit on both the Irish Singles Chart and also (for two weeks) the singles chart for the UK, being the second