1 year (4 issues) for $20 + tax! Outside Canada is additional for postage.
NASA used aerogel to keep astronauts alive in temperatures that make a cold day on the Prairies seem warm (a sunny day on the moon tops out around -127° Celsius). The foam-like substance is lighter and more insulating than down feathers or synthetic fibres. It’s been around since 1931, but new tweaks are making … More »
NASA used aerogel to keep astronauts alive in temperatures that make a cold day on the Prairies seem warm (a sunny day on the moon tops out around -127° Celsius). The foam-like substance is lighter and more insulating than down feathers or synthetic fibres. It’s been around since 1931, but new tweaks are making … More »
1 year (4 issues) for $20 + tax! Outside Canada is additional for postage.