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Tag: hydrogen

7 Results

  • New ways of travelling light

    New ways of travelling light

    Zero gravity would reduce many loads but it has its downside.

    July 18, 2018
  • Dubai begins trial run of hydrogen-powered taxis

    Dubai begins trial run of hydrogen-powered taxis

    Dubai has launched a trial run of the region’s first electric hydrogen-powered vehicle, the Roads and Transport Authority (RTA) announced on Saturday. The hydrogen-powered car, Toyota Mirai, will be on a trial run as the RTA continues to look for alternate fuel options as part of its sustainable transport strategy, the Khaleej Times reported. The …

    December 23, 2017
  • The importance of carbon

    The importance of carbon

    The chemistry of cells is essentially the chemistry of carbon-containing compounds because the carbon atom has several unique properties that make it especially suitable as the backbone of biologically important molecules. To study cellular molecules really means to study carbon-containing compounds. Almost without exception, molecules of importance to the cell biologist have a backbone, or …

    May 30, 2017
  • Did water come from comets?

    Did water come from comets?

    One way to explain how Earth has so much water has been that the water came with comets. The content of water whose molecules have the “heavy” version of hydrogen atoms, however, was found to be much higher in the water vapour surrounding the comet, 67P, than what is found on Earth. This discovery persuaded …

    May 23, 2017
  • Helium under extreme pressures

    Helium under extreme pressures

    Hydrogen is the simplest of elements, with just one proton contributing to its weight. Hydrogen gas is hence the lightest and often used to launch balloons. Helium is the second in the hierarchy of elements, with four heavy particles in its nucleus. Helium is also a light gas and used to fill lighter-than-air balloons. A …

    February 15, 2017
  • Helium under extreme pressures

    Helium under extreme pressures

    Hydrogen is the simplest of elements, with just one proton contributing to its weight. Hydrogen gas is hence the lightest and often used to launch balloons. Helium is the second in the hierarchy of elements, with four heavy particles in its nucleus. Helium is also a light gas and used to fill lighter-than-air balloons. A …

    February 15, 2017
  • May not be what it seems

    May not be what it seems

    The scientists who claim to have crushed hydrogen into a metal might have made one important mistake, according to experts. Two physicists claimed that they had finally succeeded in a feat that scientists have been attempting for almost a hundred years — crushing hydrogen and turning it into metal through an “alchemical” process. Such a …

    January 31, 2017