This coffee machine lets you know when you’ve had too much caffeine
You’ve probably heard that caffeine is a drug. That is true and it is possible to overdose on caffeine and die. Heathline reports that a lethal dose of caffeine is around 10 grams. But a typical cup of coffee only contains around 100-200 milligrams of caffeine, so you’d have to drink at least 50 cups […]
