Currently, most hydrogen is produced using fossil fuels but the falling cost of renewables and growing demand for energy have added momentum for clean hydrogen.
- Professor Emeritus in Advanced Materials, University of Auckland, Waipapa Taumata Rau
Hingga saat ini, tidak ada objek yang mengorbit berhasil dipulihkan dari luar angkasa, tetapi beberapa metode sedang dikembangkan untuk mengurangi populasi orbit Bumi oleh puing-puing buatan manusia.
To date, not a single orbiting object has been recovered from space successfully. But several methods are in development to reduce the overpopulation of Earth’s orbit by man-made debris.
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