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Zidan Namanya

Zidan namanya. Pertama ketemu Zidan di tukang sempol ayam, dekat entrance 7 alun-alun Kota Bogor, tadi malam. Dia menawarkan donat, 1 pak isi 2 seharga Rp.5.000. Saya beli 1 pak dan menawarkan sempol ayam. Zidan mengangguk. Tadi pagi, di dalam alun-alun, saya bertemu Zidan lagi. Kali ini, dia tidak membawa donat, melainkan beberapa pak tissue. Saya tegur dia, "Hey, tadi malam jualan donat kan ya?" "Iya Bu, donat punya orang. Sekarang saya bawa tissue, ini juga punya orang. Ibu mau tissue?" Jawabnya. "Boleh deh satu", kata saya. Saya bayar tissuenya, " Ya Allah, makasih banyak Bu". Suara Zidan lirih. Hati saya teriris. Tiba-tiba seorang Ibu lewat sambil membentak, "Jangan di jalan dong!" Sorry, salah kami, ngobrolnya di jalur jalanan dalam alun-alun. Saya gandeng Zidan ke arah pilar taman, dan kemudian kami duduk ngobrol berdua. Kata Zidan ibunya sudah meninggal, ayahnya ngamen di alun-alun, dan kadang di Terminal Loji. "Bapak ngame...
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Newton's cradle five-ball pendulum (office toy - I)

It just arrived safely this very morning, my Newton's cradle, which I bought like a month ago on eBay. It had been a while I wanted to have it on my desk. So one day, I browsed to see if there was any online shop selling the stuff. And there were a lot! 

I stumbled upon a very good offer on eBay for a small design of Newton's cradle five-ball pendulum, and it was free shipping. So, within a minute the colliding balls, which was named after the English physicist Sir Isaac Newton, was already on my shopping chart. 

I always wonder how this simple design, five small balls suspended by thin threads attached to two horizontal bars, works. I keep pulling one or two or three balls then release them and watch them rock back and forth. 
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Location: KINDO SQUARE, Jakarta Selatan, Jl. Duren Tiga Raya No. 101

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