A Finnish startup - Polar Night Energy - has revealed technology which can use renewable energy to make sand really hot, so the heat can be used in homes when it’s not sunny or windy. The new heat storage system is a 23-foot steel silo filled with over...
German tour company Schauinsland-Reisen has successfully created the world's tallest sandcastle according to Guinness World Records. This ambitious project comprised of 3,500 tons of compressed sand and smashed the previous record by 1.84m (6 ft). It might not be the worlds tallest structure ... but it is...