Quick Answer. Curad advises that healing occurs in four stages with deep cuts: hemostatis, which occurs immediately; inflammation, which lasts up to 4 days; proliferation, which typically takes 21 days; and remodeling, which can take up to 2 years. Keep Learning.
Euler Problem 14: Longest Collatz Sequence. Euler Problem 14 looks at the Collatz Conjecture. These playful sequences, named after German mathematician Lothar Collatz (1910â1990), cause mathematicians a lot of headaches. This video introduces the problem much better than I can describe it.
There is a claim that the current world record for the longest human cannonball flight is 193 ft 8.8 in (59.05 m), established by David Smith Jr. on the set of Lo Show Dei Record, in Milan, Italy, on March 10, 2011. The distance was measured from the mouth of the cannon to the furthest point reached on the net.