In June of 2018, it was announced that a small 15th century tile depicting the Archangel Gabriel could be the work of Leonardo da Vinci. If verified, this decorative tile would be the earliest known work of the famed Italian polymath of the Renaissance.
The 20×20 cm square image, also conjectured to be a self -portrait of Leonardo, includes the believed signature of Da Vinci. Along the jawline of the portrait, infrared analysis revealed secret writing. Although minuscule, ‘Da Vinci Lionardo’, along with the date 1471, and the numbers 52 and 72 were noticed.
One of the most important, and controversial, patents of US History went missing for over 36 years. It was the famous patent No. 821,393 for the Wright Brother’s ‘Flying Machine’ filed on March 23, 1903. After the original copy of the patent was loaned to the Smithsonian Institution Air and Space Museum in 1978 for an aviation exhibit, it was thought returned back to the National Archives. But in 1980 it was discovered it wasn’t there. Read more on MW: