How To Make Homemade Fireworks Without Gunpowder' title='How To Make Homemade Fireworks Without Gunpowder' />Brilliant Staircase Design Stores Extra Energy to Make It Easier to Climb Later. Do you deliberately avoid visiting friends who live in multi story buildings without an elevator No one would fault youhaving to climb even just a single flight of stairs is like being forced to workout against your will. But thanks to engineers at Georgia Tech and Emory University, stairs might one day do all the hard work for you. In a paper published today in the journal PLOS ONE, that team details their energy recycling stairs, which store energy when you descend, and then release it to make the ascent easier on the way back up. You probably dont stop to think about it while you race down a flight of stairs, but your body expends a considerable amount of energy in the process to prevent you from falling. How To Make Homemade Fireworks Without Gunpowder' title='How To Make Homemade Fireworks Without Gunpowder' />Its usually wasted energy, but these energy recycling stairs take advantage of those forces using a spring loaded mechanism that compresses each step and locks it down as you descend. This leaves every step charged with potential energy once youve hit the bottom. When you go to climb back up, pressure sensors on each tread release the locking mechanism on the step below it, turning that stored potential energy into kinetic energy that helps lift a climbers leg as the spring powered step raises again. As the stairs compress on your descent, the engineers have calculated they save around 2. For this project I used items from around the house to create a pyrotechnic timedelay. Heres how to make a simple form of a slow burning fuse, because. How to make cheap Nitrocellulose from ping pong balls, black powder, and acetone for use in igniters and detonators. C496' alt='How To Make Homemade Fireworks Without Gunpowder' title='How To Make Homemade Fireworks Without Gunpowder' />270417 Usually at this time of year our firework elves would be busy making up wheels, setpieces, goodnights and other fireworks ready for the forthcoming. How To Make Homemade Fireworks Without Gunpowder' title='How To Make Homemade Fireworks Without Gunpowder' />And on the way back up, the energy recycling stairs make it around 3. The stairs unique mechanisms can be retrofitted to existing steps, so the technology isnt only for new buildings, necessarily. And installing them would be cheaper, and require less space, than an escalator or elevator. Theres no word on when this technology will be commercialized, but anyone living in an elevator less building will certainly be hoping its as soon as possible. Georgia Tech via New Atlas. Martin Shkreli Says Hell Still Make Money From Jail, Will Read Philosophy. Talking to Martin Shkreli is neither easy nor enjoyable. The pharma bro, who once jacked up the price of a life saving drug from 1. But I managed to get a few questions answered over email during the past week. And now that Shkreli has been sent to jail, it feels like a good time to share what I learned. I reached out to Martin Shkreli when he first published his now infamous Facebook post asking for some of Hillary Clintons hair. Free Ten After Two Truth Is Zip Programs on this page. It was this post, which he later labeled a prank, that got his bail revoked by the judge. And its the reason hell sit in jail until his sentencing in January of 2. To be honest, the view came first. There arent many places that command the vantage point we enjoy here at Three Degrees, so we like to make sure it lives up to. Do you deliberately avoid visiting friends who live in multistory buildings without an elevator No one would fault youhaving to climb even just a single flight. To make real gunpowder that actually goes bang, these ingredients must be ground together in a ball mill or stone rolling mill for hours, during which time there is a. I asked Shkreli what he wanted to do with the hair and whether he considered this to be assault. Ap Environmental Science Lab Manual Teacher Edition more. Shrkeli responded with irrelevant references to Peter Thiel, the man who bankrupted Gizmodos former parent company, and then told me over and over that he wanted my wifes phone number, saying that I couldnt provide for her. I NEED THAT FUCKING HAIR. ALSO SPIT ILL TAKE SOME SPIT, Shkreli wrote to me on September 5th about Hillary Clinton, without answering the question of what he wants it for. I pressed him in a follow up. Shkrelis response killary clinton is the greatest threat to national security. I ignored his trolling and finally started to get some insights into why he was so reckless while awaiting sentencing. He truly didnt believe that he was going to be sent to prison. I believe there will be no sentence of imprisonment. Please read the USSG and learn something about the law, Shkreli wrote to me after I asked if he thought his bounty for Clintons hair would come up during sentencing. Hp Scanjet G2410 Driver For Xp'>Hp Scanjet G2410 Driver For Xp. The USSG he was referring to is the United States Sentencing Commission Guidelines. I replied by asking if his sentencing date had been set yet. Shkrelis response no. LMAOalso are you in antifa I ignored his trolling and asked, Have people told you what prison is likeHave you consulted with anyone on how to operate once insideShkrelis response of course I pressed Shkreli on what he meant by life being nirvana under Trump. He replied that trump is 1 A1 best president ever and finally seemed to loosen up and said that if he really is sentenced it will be a good opportunity to read and reflect and also i can make paper from inside. But, of course, his email ended with his signature style NOW SET ME UP WITH DAT WIFE OF URS. Making paper presumably means that hed be making money, not a DIY papyrus production class in prison, though I didnt ask him to clarify. You never know. I responded by simply asking What do you plan to read in prisonShkrelis response I think you are, once again, mistaken. You assert a proposition which isnt certain. Please think and rephrase. After playing childish games about rephrasing the question, I pressed him for a top five books hed want to read in jail, and Shkreli finally answered. Sort of. Shkrelis response i would mostly read business reports from my companies and technical materials medicine, computer sciencei read a lot so im not sure top 5 works. I then asked about the Wu Tang Clan album he had purchased for 2 million and was trying to sell on e. Bay. I asked whether hed be able to bring it into prison if he hadnt sold it yet. I also asked if he had a plan for acquiring various forms of entertainment like music and books once he was on the inside. Shkreli replied that I should get a grip on your liberal rage and educate yourself and our back and forth pretty much devolved into him repeatedly insulting me and then me asking him whether hed read anything from notorious conman and motivational speaker Napoleon Hill. By the end of the day Friday, Shkreli was clearly in deep shit over his Facebook post about Hillary Clinton. The Secret Service had wasted resources looking into his 5,0. And thats when Shkreli stopped replying to my emails. My last email to him was yesterday, before news broke that hed been sent to jail. Martin, How you feeling today Still pretty confident youre going to stay out of prison Do you have that list of five books yet I asked. Shkreli didnt respond. I never did get to ask whether hed be able to check email from jail. Martin, if youre reading this, Id still like to see that list. And if you need book recommendations, Gizmodo readers can probably help you out. Just drop us a line. From jail. The place you swore you wouldnt need to visit.