Anyone who has spent a bit of time at the ocean or sea will have noticed how the water levels rise and fall twice a day, independent of the wind or other meteorological conditions. The tides are the result of the gravitational pull of the moon, the rotational force of the Earth, and the sun. […]
Six decades ago, US President John F. Kennedy announced that the United States would put human beings on the Moon by the end of the decade. But it wasn’t until 2016 that Margaret H. Hamilton (b. 1936), a computer scientist and software innovator, was honored with the Presidential Medal of Freedom for her work on […]
