Crossword-Solution: BECQUEREL 9 letters, 2 clues 🏆 scrabble score: 22

Becquerel improved upon this process by sizing the paper with starch previous to the application of the bichromate of potash solution, which enabled him to convert the negative picture into a positive one, by the use of a solution of iodine, which combined with that portion of the starch on which the light had not acted.

Becquerel discovered that compounds of the metal uranium continually emitted rays capable of penetrating opaque screens and affecting photographic plates.

Becquerel has been showing us lately how everything is phosphorescent; that it soaks itself with light in an instant's exposure, so that it is wet with liquid sunbeams, or, if you will, tremulous with luminous vibrations, when first plunged into the negative bath of darkness, and betrays itself by the light which escapes from its surface.

Becquerel, Ebelman, Brewster, Dumas, Milne-Edwards, Saint-Claire-Deville frequently consulted him upon the most difficult problems in chemistry, a science which was indebted to him for considerable discoveries, for in 1853 there had appeared at Leipzig an imposing folio by Otto Liedenbrock, entitled, "A Treatise upon Transcendental Chemistry," with plates; a work, however, which failed to cover its expenses.

Thompson, Becquerel, and Roentgen, have demonstrated the existence of objects so minute that they find their way among and between the atoms of matter as rain-drops do among the buildings of a city.