The strange way the world's fastest microchips are made / Commerce Secretary Gina Raimondo on microchip production, sales / Podcast: Japan's quest for the most powerful microchip leads semiconductor revival / New, more sustainable method for manufacturing microchips and other nanoscale devices / U.S. sees national security concerns over microchips / A new generation is uncovering the tiny doodles left by engineers on old microchips / Microchip units: Govt evaluating proposals worth $21bn / 'Graphene will change the world': the boss using the 'supermaterial' in the global microchip war / Gallium and germanium: What China's new move in microchip war means for world