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Rockets of the era were relatively small and crude gunpowder-based devices used only for firingprojectiles into enemy land. But gun propulsion as a method of space launching was not entirely abandoned. The 16-inch gun used during Project HARP, along with a smaller gun in Barbados. The US Army needed a method that was economical, and Bulls ballistic approach sounded promising. HARP was presented as a research initiative dedicated to developing low-orbital capacity for geodetic and atmospheric objectives....

It is also true that thistypeof reaction couldpotentiallybe a useful energy source in the future. Is nuclear fusion the same as nuclear power? Nuclear power plants and nuclear bombs use afissionreaction, which isdifferent from the fusion reactionthat made the news recently. Fission comes up whenever an atom is split apart. Nuclear fusion is the opposite reaction: Smaller atoms are combined into a larger one. Its an exciting possibility because it doesnt produce carbon emissionsorpresent issues with radioactive waste....

Today, we commemorate it all by eating fried potato pancakes called latkes. But chef and professional Jewish sandwich slinger, Jeremy Umansky, is looking to change that. Hes making his latkes withjustpotatoes. This is all to say that Umansky is not shy when it comes to experimenting. So its no surprise that hes trying to make latke sundaes a thing. Yes, you read that right. Heres why mixing fried potatoes with ice cream might sound a little strange on paper....

It was under Casimirs tenacious rule that the Jagiellonian dynasty became one of the leading royal houses in Europe. Casimir was interred in the Wawel Cathedrals Holy Cross Chapel, and in 1496, Stoss completed the tomb. Elizabeth herself was interred in the same tomb beside her husband when she died in 1505. The sarcophagus of King Casimir IV Jagiellonian. The sarcophagus is made from mainly red marble from Adnet, near Salzburg....

For nearly 200 years, the steam engine powered the worlds machineries, but its origins were very humble. Denis Papin was born in the village of Chitenay, near Blois, in 1647. He attended the University of Angers, from which he graduated with a medical degree in 1669. However, Papin was not destined to practice medicine. The digester was made from two hollow brass cylinders pressed together by screws. Food could be placed in an inner glass sleeve and cooked under pressure....

Now the baked potato wants in on the appetizer action. Make it mini, pop it on a skewer, and youve got a new classic party snack. I fully dislike regular baked potatoes. Then you need a plate to dissect it and dump condiments inside, most of which will remain cold. The mini baked potato corrects all of these issues. Everything on the skewer is miniaturized, so you might eat it in one or two bites....

The American system of measurement and its unitsfeet, miles, pounds, and gallonsare quite bizarre. But the legislation was not strong enough and many industries chose not to convert. Otherwise the results could be disastrous, just like Air Canada found out in 1983. Air Canada Boeing 767 C-GAUN, the Gimli Glider, taxing at San Francisco International in February 1985. The next morning, Captain John Weir and co-pilot Captain Donald Johnson were told about the problem....

I dont know what I want. I need a plan that puts me on the right path. I need clarity around my career goals and priorities. I want to map out my next 5, even 10 years. After surfing LinkedIn, she found me. She sent me a message explaining that and asked to meet with me to learn more. She was prepared with specific questions, and I was impressed with her curiosity....

The date on the letters was decades before Newton first described the same law in hisPrincipia. It appeared that Isaac Newton was to be dispossessed of the glory he had been hitherto accorded. Chasles expose caused a sensation. He was a distinguished scholar, whose reputation stretched far beyond France. Chasles was widely respected for his researches in geometry and the history of mathematics. He established several important theorems in geometry, kinematics and gravitation....

Because they are!) Dr. Gameshow OnDr. The rules dont always make sense, but the show is honestly better when they dont. (How many times did you have to watchFrozen?) Its energetic and silly, with plenty of kid-friendly jokes that nod to the adults listening, too. You wont mind when they say play it again! because with 12 different possible endings, there are endless ways to make your way through the story....

Early in my career I had an interaction with a boss I now regret. She began by saying, I want to give you some feedback on your work. She made little eye contact and had a deadpan tone. As she spoke, my heart pounded, and I began to sweat. The first three were tasks I wasnt responsible for; my coworker owned those duties. The remaining feedback was unexpected because it was about deliverables others had said were high quality....

Hopefully you feel blissfully exhausted after sex and not too worried about whats happening to your insides afterwards. But since sex is a full-body activity, it makes sense that you might experience some physical symptoms afterwards. Lyndsey Harper, OB/GYN and founder ofRosy, tells Lifehacker. There are lots of variables at play which can lead to lots of different symptoms and experiences. According to Harper, most of the time cramping will stop on its own within 30-60 minutes....

The subredditr/GiftIdeasis a gold mine not just for gift ideas, but also for drama. Theres themother-in-law who rejects every gift, but also rejects the idea of not giving gifts. The posts thatstart withunfortunately, I must still get this asshole a gift. If you, too, have a somewhat unpleasant giftee in your life, Redditors have suggestions for you. Donations Do a donation in his name, that way he actually gets nothing, oneredditorwrote....