# Pi Day 2020

March 14th is Pi Day! Today is also the birthday of Albert Einstein (1879-1955). Pi is the irrational number π = 3.1415926535… The first three digits of pi coincide with the U.S. mm-dd-yy date format of 3/14 for Pi Day. Pi is calculated as the circumference of a circle, divided by its diameter.  … Continue reading Pi Day 2020

# Palindrome Day 2020

Happy Palindrome Day! A palindrome is any number, phrase, word, etc. that has the same sequence going forward as it does in reverse. Today, 02/02/2020 is the only Palindrome Day all century that works whether you’re using the Month/Day/Year (MM/DD/YYYY) format or the Day/Month/Year (DD/MM/YYYY) format. You can even put the year first if that’s… Continue reading Palindrome Day 2020

# Fibonacci Day 2019

Happy Fibonacci Day! Every year on November 23rd, the 11/23 date format is from the beginning of the Fibonacci sequence. Each number in the sequence is the sum of the two preceding numbers. Check out math professor Arthur Benjamin’s short but inspiring TED talk to learn more: The Fibonacci Sequence is named after Italian mathematician… Continue reading Fibonacci Day 2019

# Happy Chemistry Week and Mole Day!

The mole from chemistry that is. A mole (or mol) is a standard, scientific unit for measuring large quantities of very small entities, such as atoms. Avogadro’s number refers to the number of units in one mole of any substance. It’s time to celebrate Avogadro’s Number and the periodic table of elements! Why October 23rd?… Continue reading Happy Chemistry Week and Mole Day!

# Palindrome Day 2019

Happy Palindrome Day! Today’s date, 9/10/2019, is a palindrome! A palindrome is any number, phrase, word, etc. that has the same sequence going forward as it does in reverse. The date, when written in the format m/dd/yyyy as above, reads the same forwards and backwards. This makes it a palindrome. The last time that happened… Continue reading Palindrome Day 2019