The inevitable Ice Bucket Challenge notification came along, courtesy of the Brothers Pag. Anyone who knows me knows that I can’t swim, so I wasn’t prepared to take the risk of attempting the challenge.
Also I didn’t have any ice in my lab, but I did have a Dewar of Liquid Nitrogen, so here is Balloon Matt nobly taking the challenge in aid of the DEC Syria crisis appeal.
**SAFETY NOTICE** Don’t do this at home. If you have liquid nitrogen at home, why on earth do you have liquid nitrogen at home? Whilst pouring and transporting liquid N2, heavy duty cold-proof gloves and a face visor must be worn. Do not touch parts of the balloon directly after they have been in liquid nitrogen. NEVER POUR LIQUID NITROGEN OVER YOUR OWN HEAD a million things can go wrong and you can lose eyes skin and hair: remember what happened to Boris. Do not cool an air filled balloon for prolonged periods due to risks of liquid oxygen condensation. **THANK YOU**
37 years ago today, the Big Ear telescope in Ohio picked up the first and only strong signal from outer space that could be from extra-terrestrials.
Rather embarrassingly for humanity, we behaved like school kids who just received a text from someone they fancied. We spent ages debating whether or not the message was for us; and then we got our mates to help us write a reply which is looking pretty cringey in hindsight. Continue reading →