Spiral staircases are unique

Every February, across the country, candy, flowers, and gifts are exchanged between loved ones, all in the name of St. Valentine.But who is this mystery, and why we are celebrating the holy holiday> this? History of Valentine's Day - and the patron saint - is shrouded mystery. But we know that February has long been a month of romance. St. Valentine's Day, as we know it today, contains the remains of both Christian and ancient Roman tradition. So, the Saint Valentine, and how he became associated with this ancient rite? Today the Catholic Church acknowledges at least three different saints named Valentine or Valentinus, all of the martyrs.

The light bulb oldest Lights

The light bulb oldest Lights

The world's oldest lightbulb goes to 109 years. No wonder the fanclub, whose members emerged thousands of people and even abulb has its own website

Anti-rape female condom

Anti-rape female condom is the discovery Sonette Ehlers, awoman from South Africa. The aim was to prevent rape, wherecondoms are clamping penis attack, injure and make it viable.

Anti-rape female condom

Atomic clock

Atomic clock is a type of clock that uses the atomic resonance frequency standard as penghitungnya. Beginning of the maseratomic clocks with other equipment. The best atomic frequencystandards now under the more advanced physics involving coldatoms and atomic fountains.

Fermilab National Accelerator Laboratory

Fermilab National Accelerator Laboratory was originally called,was commissioned by the U.S. Atomic Energy Commission in the bill signed by President Lyndon B. Johnson on 21 November 1967. Fermilab is located in Illinois, United States. Founding Director Robert R. laboratory Wilson, committed to applying thebasic principles of scientific excellence, esthetic beauty, land management, fiscal responsibility and equality of opportunity.Universities Research Association built the laboratory andFermilab has been operated since its inception. At the date of May 11, 1974, the laboratory was renamed in honor of 1938 NobelPrize winner Enrico Fermi, one of the leading physicists in theatomic age. Fermi's wife Laura on late Enrico Fermi at the opening ceremony given in honor of Fermilab.