{"product_id":"skyrider-hess-balloon","title":"Skyrider – Hess and Cosmic Rays \/ Up = More Physics Sticker","description":"\u003cp\u003eSkyrider, a goggled balloonist, cradles a glowing instrument under the balloon's rigging.\u003c\/p\u003e\u003ch3\u003eThe Physics\u003c\/h3\u003e\u003cp\u003eIn 1912 Victor Hess carried electroscopes up in balloons to 5 350 m (Phys. Z. 13, 1084). Their discharge rate, a measure of ionising radiation, first dipped slightly, then climbed steeply with height. The radiation was coming from above, not from the ground. A flight during a near-total solar eclipse and at night showed no drop, so the Sun was not the source. He shared the 1936 Nobel Prize for cosmic rays.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eionisation rate rises with altitude\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ealtitude: height above sea level, up to 5 350 m in 1912\u003c\/li\u003e\n\u003cli\u003eionisation rate: ions formed per cm³ per second in the electroscope\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eCosmic rays are mostly high-energy protons and nuclei from space that shower in the upper atmosphere.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eHonest caveat:\u003c\/em\u003e Near the ground radiation first falls with height, because rock radioactivity fades; the rise wins only above about 1 km.\u003c\/p\u003e\u003ch3\u003eOn the sticker\u003c\/h3\u003e\u003cp\u003eSkyrider holds a glowing cyan jar-like instrument under balloon rigging at dusk. Printed text: \u003cstrong\u003eSKYRIDER\u003c\/strong\u003e with the line \u003cstrong\u003eUP = MORE\u003c\/strong\u003e. Pixel-art kiss-cut vinyl sticker, white, in 2″, 3″, 4″ and 6″ sizes.\u003c\/p\u003e","brand":"Printify","offers":[{"title":"2\" × 2\" \/ White","offer_id":50964093534311,"sku":"26188997296675384903","price":4.99,"currency_code":"USD","in_stock":true},{"title":"3\" × 3\" \/ White","offer_id":50964093567079,"sku":"22447325104810403529","price":6.99,"currency_code":"USD","in_stock":true},{"title":"4\" × 4\" \/ White","offer_id":50964093599847,"sku":"12377361655926004042","price":8.99,"currency_code":"USD","in_stock":true},{"title":"6\" × 6\" \/ White","offer_id":50964093632615,"sku":"91334868218088260530","price":11.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0596\/8746\/9159\/files\/7144907149791232126_1200.jpg?v=1793659891","url":"https:\/\/pixelatedphysics.com\/sv\/products\/skyrider-hess-balloon","provider":"Pixelated Physics","version":"1.0","type":"link"}