Surfing Scientist 4: 40 Science Mind Benders

Riddle me this … The Surfing Scientist, Ruben Meerman, presents some fun scientific and logic riddles, puzzles and challenges for budding scientists. Try these: Rock in a Boat in a Pool — this one even stumped world famous physicist Robert Oppenheimer! Cut the Cake — cut a cake into 8 pieces with only three straight cuts Big Coin, Small Hole — cut a 10c sized hole and pass a 50c coin through it without tearing the paper Four Litres Please — measure out exactly four litres with an unmarked 5L and 3L bucket No special equipment needed; step-by-step instructions and photos provided. What are you waiting for? Get into it!