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Japan shows off electromagnetic railgun for blasting hypersonic missiles | It's able to fire 40mm shells weighing 320 grams (11 oz) at muzzle speeds of up to Mach 6.5 and consumes about 5 megajoules per shot, but the goal is to boost this up to 20 megajoules in the near future.

Samsung Galaxy S25 Edge tipped to cost roughly $1,000, weigh 162 grams

This New, Yellow Powder Quickly Pulls Carbon Dioxide From the Air. Scientists say just 200 grams of the porous material, known as a covalent organic framework, is called COF-999, could capture 44 pounds of the greenhouse gas per year—the same as a large tree

OSIRIS-REx's Final Haul: 121.6 Grams From Asteroid Bennu

Titanium iPhone 15 Pro Weighs 19 Grams Less Than iPhone 14 Pro

NASA's 'MOXIE' Experiment Successfully Generated 122 Grams of Oxygen on Mars