Thursday was the 75th anniversary of D-Day, the largest amphibious invasion in history.

The Allied invasion force included 5,000 ships and landing craft, 11,000 planes, and almost three million allied soldiers, airmen and sailors. Despite such numbers, the location and timing of the invasion was still an enormous gamble. The Nazis fully expected such an invasion, they just didn't know precisely when or where it would be.

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The Singularity? Elon Musk unveils plans to merge human brains with AI

Yesterday, while the rest of America obsessed over President Trump's tweets, Elon Musk announced plans to merge humans with computers using thread-like polymer electrodes implanted directly into the human brain. Musk said that Neuralink, his brain-AI interface startup, will allow humans to "achieve a symbiosis with artificial intelligence" as early as next year. Watch this clip to get more details.