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.
CERNâs Large Hadron Collider (LHC) is the largest and most powerful particle collider ever built. Housed in a 27-km tunnel beneath the Swiss-French border, it fires two beams of hadrons around and around in a circle before colliding them into each other.