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...table salt – on Europa’s surface generated excitement. Because this salt is the dominant chemical in Earth’s oceans, the discovery suggested that the chemical composition of Europa’s ocean may be more familiar than once thought. There is also evidence that, like Enceladus, Europa has plumes erupting from its surface that might eject some sub-surface liquid up...

...table-top so that it’s as steady as possible. Turn the drill handle as fast as you can and the bulb should light up. Generating electricity really is as simple as this! Generators in bikes and cars Cars need a direct-current supply to operate the ignition, lights, windscreen wipers, etc. This is generated by an alternator which is mechanically coupled to the engine. A...

...Table 1. Number of COVID-19 patients that died with different underlying health conditions from an Italian study In fact, 19.5% of patients who died from COVID-19 were cancer patients. This needs to be taken carefully because of the small number of people in the Italian survey. According to an early report from Wuhan cases, there is ~3.5-fold higher risk of experiencing...

...table (available at here source Rizzo, A.; Goel, S.; Grilli, M.L.; Iglesias, R.; Jaworska, L.; Lapkovskis, V.; Novak, P.; Postolnyi, B.O.; Valerini, D. The Critical Raw Materials in Cutting Tools for Machining Applications: A Review. Materials 2020, 13, 1377. https://doi.org/10.3390/ma13061377) Plastics are another area where we need to reduce both the environmental...