He held his cards tilted so that she could see them.
Tilting your head up activates the phone's gyroscopic sensor, skipping to the next card, and tilting it down moves to the next one when you get a correct guess.
Hologram: On the back there should be a hologram containing the picture of a dove that appears to fly when the card is tilted.
Results are very encouraging and achievement of 100% recall also sustains excellent precision of more than 95% in spite of having different types of cards like tilted, smaller or larger in size and varying shades of yellow.
Tilt the card with the hole towards the Sun and use it to project an image of the eclipse onto the other card.
But we hope that by asking our children for samples of what they are doing rather than report cards, we can help tilt them toward the hard, fun academic work that college should be about.
At the moment, there are only a few apps that support the motion-sensing card (DSaSketch, Sprout and Water Drops Tilt), but we'll definitely see more as soon as the card releases.
There's a charcoal study of Cézanne card players; Picasso's inkblot Don Quixote, tilting his lance at the Spanish sun; and a blue-hued, Old World fantasy, bearing the kaleidoscopic hallmarks of Marc Chagall.
Look through the hole to see what the card is, then close your eyes and tilt your head toward the ceiling.
Intel has shown off gesture-controlled ultrabooks with built-in tilt sensors and touch-free credit card readers.
There were spotters, who would sit patiently at a blackjack table, keeping track of the cards until the odds tilted in favor of the bettor; controllers, who had mastered odds and strategy; and B.P.'s (big players), who would move in and start placing large bets.
