Sentence examples for by light from a from inspiring English sources
The photocell contains a photosensitive surface that generates an electric current when struck by light from a celestial source.
To their surprise, however, they spotted a second ring, formed by light from a third galaxy 11 billion light years away.This discovery, which Dr Treu presented to a meeting of the American Astronomical Society held in Austin, Texas, on January 10th, represents more than an unusual and pretty stamp for the astronomers' collection.
The fluorophore is excited by light from a diode laser, which is coupled into the chip by a unique cartridge design that incorporates a polymer waveguide for dark field illumination.
A practically applicable optical fiber thermometer was designed and tested, based on the detection of the decay of the fluorescence in a miniature Tm3+:YAG crystal, directly coupled to a silica transmission fiber and excited by light from a periodically modulated 785 nm laser diode.
The gratings were printed on acetate sheets and trans-illuminated by light from a tungsten source.
External solution contained (in mM): NaCl 150, KCl 4, CaCl2 2, MgCl2 1, Glucose 5, and HEPES 5. Fluorescence was induced by light from a computer controlled monochromator (Polychrome V, T.I.L.L. Photonics) through a 50×oil immersion objective.
But that device had to be driven by light from an off-chip laser source, making it less practical for cheap mass-market chip applications.
AlSPc was activated in the tissues by light from an argon ion pumped dye laser at 675 nm.
The probes were excited by light from an HeCd laser (325 nm, Kimmon IK3202R-D), which was first expanded (to a cross-sectional area of approximately 1 cm) and then directed at the sample-probe gap with an angle of incidence of almost zero degrees between the laser beam and the sample surface.
This shadow consists of two parts: the umbra, a cone into which no direct sunlight penetrates; and the penumbra, which is reached by light from only a part of the Sun's disk.
The figures are illuminated by light from the left, a device van Eyck often used to imply the presence of God.
