The 'c' stands for the speed of light. You don't need fancy equipment to measure it. All you need is a microwave, ruler, bar of chocolate and a calculator. How to: 1  Take the turntable out of the microwave. 2  You need the chocolate to stay still whilst you heat it.
April 17, 1861 - Delegates at the Virginia Convention in Richmond pass an Ordinance of Secession by a vote of 88 to 55. Thirty-two of the no votes come from trans-Allegheny delegates, who are more firmly Unionist than representatives from other parts of the state.
A+E Networks. On this day in 1861, Texas becomes the seventh state to secede from the Union when a state convention votes 166 to 8 in favor of the measure.