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"A lot of people have done a lot more and gotten a lot less, and a lot of people have done a lot less and gotten a lot more."

I got my medals, in part, because I did brave acts, but also, in part, because the kids liked me and they spent time writing better eyewitness accounts than they would have written if they hadn't liked me

The only people who will ever know the value of the ribbons on their chests are the people wearing them—and even they can fool themselves, in both directions.

he whole assault ground to a halt, except for one kid named Niemi, who had sprinted forward when we came under the intense fire and disappeared up in front of us somewhere.

alking to a group of us about when it was a platoon leader earned his pay. I knew, floating above that mess, that now that time had come. If I didn't get up and lead, we'd get wiped.

I'm most proud of is that I simply stood up, in the middle of all that flying metal, and started up the hill all by myself.

I did it for the right reasons.

At this point I saw the missing kid, Niemi, pop his head up. He sprinted across the open top of the hill, all alone.

Crashing out of the clouds into this confusion came a flaming, smoking twin-rotor CH-46 helicopter.

I saw Niemi pop into sight again. He sprinted to the downed chopper.

the only thing he could think to do was sprint across the open hilltop to see if he could find a place from which he could lay down fire to protect them.

Niemi got a Navy Cross.

I got a Navy Cross.

elicopter pilot

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The kid who borrowed my rifle didn't get anyt

hing.

It was just about that time I got knocked out and blinded by a hand grenade. I came to, groggy.

Watching videos also means more sitting in front of devices. The American Academy of Pediatrics recommends kids limit “screen time” to two hours a day because too much exposure has been linked to obesity, irregular sleep, behavioral problems, violence, and less time for play.

Students need to feel as though their teachers are guiding them to the best materials, not merely giving them a list of videos to watch, says Valenza

“Teachers should keep posing the ‘why,’” says Bob Schuetz, the technology director at Palatine High School in Illinois. “Why am I doing this? Why is it beneficial to students?”

“The teacher walks around and helps everyone. It’s not a get-out-of-jail-free card for teachers not to teach.” It’s also not a way for kids to get out of doing anything at home. “Flipping what the kid does means they do the work ahead of time, come to class, and debrief,” explains Michelle Luhtala (aka the

“The end goal is personalized education. The flipped classroom is just a means to that end.” Students can use the videos to learn at their own pace—any time or place, says Roberts. “These students can replay their teacher’s explanation of a new concept as many times as they need to without fear of holding up the rest of the class.”

a librarian at Bullis School in Potomac, MD, gives students videos, Web pages, and screenshots about the nuts and bolts of the library, which frees up more time to devote to their research projects.

ure, some kids will ignore the video. “The same kids who don’t currently do their homework will not watch the lecture,” says McCammon. “But as you start making your class more engaging, kids who don’t usually do their homework will start doing it because they want to participate in the class.” Kids write questions down while they’re watching the video, and then the first 10 minutes of class is for discussion of what they’ve seen.

The machine is effective in recycling different kinds of plastic into oil.

Utilization doesn't just take into account the 20 percent of recycled plastic. But it also considers the incinerated 52 percent used for energy recovery like generating electric power or heat. Akinori Ito says "If we burn the plastic, we generate toxins and a large amount of CO2. If we convert it into oil, we prohibit CO2 production and at the same time, increase people's awareness about the value of plastic garbage"

Oil from Shale: Oil can be extracted from this fine grained, organic rich, sedimentary rock through pyrolysis, thermal dissolution or hyderogentation. Shale contains high concentrations of organic chemical compounds known as Kerogen. From this solid mixture, oil is extracted through chemical process. Shale can be effective converted into combustible oil shale gas and liquid hydrocarbons (shale oil). Global deposits of Shale are estimated to be around 2.8 trillion to 3.3 trillion barrels of restorable oil. Planet earth is blessed with about 600 known oil shale deposits, most of which is found in United States of America. Although several countries have oil hale deposits, known deposits of economic importance is found only in 33 countries.