The forecast was for temperatures approaching 80, which could have been debilitating for runners.
Bismuth crystals can act as superconductors — but only at temperatures approaching absolute zero.
In addition, laboratory studies show improved ejection characteristics are obtained at typical press operating temperatures approaching 60°C (140°F).
Organizers in Chicago are relieved, however, that the expected 45,000 runners will not face temperatures approaching the sweltering 80-plus degrees that plagued the last two races.
A 1-year-old boy was found dead Wednesday in a locked car in temperatures approaching 100 degrees in Orofino, Idaho.
Numerous metals completely lose their resistance to the flow of electric current at temperatures approaching absolute zero (0 K, −273 °C, or −460 °F) and become superconducting.
Temperatures approaching the melting point of the rock may be reached; the pressure is relatively low and depends upon the depth of the intrusion.
Some cyprinodonts have become adapted to life in hot springs in Africa and America and seem capable of surviving water temperatures approaching the coagulation point of protoplasm.
Stainless steel and ceramic materials are used to provide durability at high operating temperatures (approaching 1,300 °C [about 2,300 °F]).
Even with a satisfactory reentry angle, the capsules' heat shields were subjected to temperatures approaching 3,000 °C (5,400 °F).
With temperatures approaching 200 million degrees Celsius, fusion fuel, or plasma, must be suspended by strong magnetic fields within large toroidal vacuum chambers.
