Broom

The problem of storing hydrogen safely and effectively is one of the major technological barriers currently preventing the widespread adoption of hydrogen as an energy carrier and the subsequent transition to a so-called hydrogen economy. Practical issues with the storage of hydrogen in both gas and liquid form appear to make reversible solid st...

Over a half of adults in the US, Canada, Australia and numerous European countries are now overweight or obese, a proportion that has risen sharply in the past two decades. Dominant biomedical explanations focus on the energy equation ? an imbalance between energy intake and expenditure - and remedies focus on motivating individuals to restore t...