The lighter also features a laser-engraved U.S. flag and the date of the Apollo 11 moon landing, July 20, 1969, as well as a serial number (e.g. "00001/14000") on its back.

It’s a lithium metal battery, which is a holy grail. It’s not a solid electrolyte, which is another holy grail. Is it a hybrid because up to now it’s been usually designed as both or neither?

Metal 'Foam' Could Mean Lighter Ships An innovative “foaming” aluminum that expands like a sponge and bonds to steel could cut the weight of cargo ships as much as 30 percent, reducing their ...