PALINDROME
Make the palindrome of the following letters: D, D, E, E, E, E, E, E, I, I, L, L, N, N, R, V, V, V, VCorrect answers: 32
The first user who solved this task is On On Lunarbasil.
#brainteasers #wordpuzzles #palindrome
Laser patentIn 1967, a U.S. patent for "Ruby Laser Systems" was issued to Theodore Maiman (No. 3,353,115), for which he had applied on 13 Apr 1961. He had first operated a laser based on a ruby crystal on 16 May 1960, at Hughes Research Laboratories in Malibu, California. |