#MAR Graphene and batteries Graphene, a sheet of carbon atoms bound together in a honeycomb lattice pattern, is hugely recognized as a “wonder material” due to the myriad of astonishing attributes it holds. It is a potent conductor of electrical and thermal energy, extremely lightweight chemically inert, and flexible with a large surface area. It is also considered eco-friendly and sustainable, with unlimited possibilities for numerous applications. The advantages of graphene batteries In the field of batteries, conventional battery electrode materials (and prospective ones) are significantly improved when enhanced with graphene. A graphene battery can be light, durable and suitable for high capacity energy storage, as well as shorten charging times. It will extend the battery’s life, which is negatively linked to the amount of carbon that is coated on the material or added to electrodes to achieve conductivity, and graphene adds conductivity without requiring the amounts o
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TECHNICAL REVIEW #MAR Samsung Galaxy Fold NETWORK Technology GSM / HSPA / LTE LAUNCH Announced 2019, February Status Available. Released 2019, September BODY Dimensions Unfolded: 160.9 x 117.9 x 6.9 mm Folded: 160.9 x 62.9 x 15.5 mm Weight 263 g (9.28 oz) Build Glass front (folded), plastic front (unfolded), glass back, aluminum frame SIM Nano-SIM, eSIM Samsung Pay (Visa, MasterCard certified) DISPLAY Type Foldable Dynamic AMOLED capacitive touchscreen, 16M colors Size 7.3 inches, 162.6 cm 2 (~85.7% screen-to-body ratio) Resolution 1536 x 2152 pixels (~362 ppi density) HDR10+ Cover display: 4.6", Super AMOLED, 720 x 1680 pixels (21:9) PLATFORM OS Android 9.0 (Pie), upgradable to Android 10, One UI 2.1 Chipset Qualcomm SM8150 Snapdragon 855 (7 nm) CPU Octa-core (1x2.84 GHz Kryo 485 & 3x2.42 GHz Kryo 485 & 4x1.78 GHz Kryo 485) GPU Adreno 640 MEMORY Card slot No Internal 512GB 12GB RAM UFS 3.0 MAIN CAMERA Triple 12 MP, f/1.5-2.4, 27mm