momentum

Whether watching the All-Star Game, a World Series game or just a regular-season Tuesday afternoon game, it’s nearly guaranteed that fans will see daring slides, both feet-first and head-first, and even slides on bang-bang plays at first. Who gets there faster, the head-first slider or the feet-first? The head-first player, says David A. Peters, Ph.D., the McDonnell Douglas Professor of Engineering at Washington University in St. Louis, and big-time baseball fan. He says it’s a matter of the player’s center of gravity.

Baseball diamonds are a left-hander’s best friend. That’s because the game was designed to make a lefty the “Natural,” according to David A. Peters, Ph.D., the McDonnell Douglas Professor of Engineering at Washington University in St. Louis and über baseball fan. Peters is a mechanical engineer who specializes in aircraft and helicopter engineering and has a different approach to viewing America’s Favorite Pastime.