For the past century, the U.S. or its allies have held the upper hand in technology, whether it was the code cracking that helped win World War II, the atomic and space races, or the processing power that ushered in the digital age. During the Cold War, the Soviet Union competed on rockets and weapons systems, but didn't challenge American supremacy in consumer tech.
The state of play: Now, that has changed. And America is paying too little attention. The U.S. is now in a winner-takes-all race with China for dominance in 5G, artificial intelligence and quantum computing.