Smallest test tube (open-ended)

According to Official Guinness Records,

The world's smallest test tube is made from a single-walled carbon nanotube measuring just 2 micrometres long and 1.5 nanometres wide, giving an internal volume of only 3.5 zeptolitres (3.5 x10^-21 litres), or a billionth of a billionth or a millilitre. It was created by a team of scientists led by David Britz (UK) from the Department of Materials at Oxford University, Oxford, UK, and published in the journal Chemical Communications in December 2004.

For a complete list of 2005 records, please visit 2005 Guinness Records in United Kingdom.

Related Images

Other United Kingdom records that might interest you:

• Fastest matter in the universe
• Oldest theatrical trade-paper
• Fastest relay 4 x 200 metres (female) (indoors)
• First row in an ocean double twice in one year
• Largest litter - dog