On Wednesday, President Obama said in a news conference that he would make preventing gun violence a legislative priority, but that it would take "a wave of Americans" to move it forward.
We ended the discussion by talking about first pulse amplitude modulation, and then showing how, under the right set of conditions, you can, in fact, take a wave form and sample it with a set of instantaneous samples.
If we're going to change things, it's going to take a wave of Americans mothers and fathers, daughters and sons, pastors, law enforcement, mental-health professionals, and, yes, gun owners—standing up and saying, enough, on behalf of our kids.
Persuaded to take a wave, McNamara, 44, found himself on a freak mountain of water 90ft (30m) high, surfing one of the biggest waves ever ridden, probably the largest in Europe and the biggest recorded on film.
Slowly, I began getting over my usual reticence with strangers and, armed with the surfboard I'd bought, became accustomed to heading in on my own, taking tips from the more experienced surfers, some of whom would let me take a wave that was rightfully theirs, shouting encouragement and advice along the way.
When it's unclear who should enter a door first or what side of a path they should take, a wave of the hand is all it takes to clear things up.
Occasionally the edges of the strip may take a wave-like shape after passing through the furnace and this seems to be a result of extra heating at the edges of the strip.
Possibly one of the most memorable things I have ever done is take a wave-runner tour, weaving in and out of the Ten Thousand Islands.
"It takes a wave to realize that the boat you have been riding is too small," he said.
Surprisingly, Martínez emerged from the dugout, a jacket on his arm, taking a wave, which no doubt thrilled the Astros.
Flopping to their bellies for greater speed, they could be kids taking a wave on a surfboard.
