Sometimes science ... the magnets must be kept at minus 456.25 degrees Fahrenheit (minus 271.25 degrees Celsius), slightly colder than outer space. By pumping tons of carbon dioxide (CO2) into the ...

LOUISE: We are trying to find out which of our three magnets is strongestfor this experiment ... You can do this.Come on. CAYANA: 10 centimetres. Moving in. LOUISE: Come on, come on.