Meteorology known as the first "anemometer". In 1607, Galileo Galilei constructed a thermoscope. In 1611, Johannes Kepler wrote the first scientific treatise on snow crystals: "Strena Seu de Nive Sexangula (A New Year's Gift of Hexagonal Snow)". In 1643, Evangelista Torricelli invented the mercury barometer. In 1662, Sir Christopher Wren invented the mechanical, self-emptying, tipping bucket rain gauge. In 1714, Gabriel Fahrenheit created a reliable scale for measuring temperature with a mercury-type thermometer. In 1742, Anders Celsius, a Swedish astronomer, proposed the "centigrade" temperature scale, the predecessor of the current Celsius scale. In 1783, the first hair hygrometer was demonstrated by
Celsius (comics) his game, as they all were. Celsius' temperature blasts damaged his dimensional window, causing the "demons" on the other side of its portal to turn on him; they were then able to horrifically drag his body through to the other side. Celsius was the only member left fighting against an evil Lord of Chaos, hand in hand with Power Girl. Her Arctic-cold blast exploded the superheated Metallo after he managed to control Robotman's actions to battle Superman. Arani later discovered that Niles Caulder was, as she had believed, still alive, and that Vostok had become a covert operative for the