To the 544 trick-or-treaters who walked up to Joshua Tasoff’s porch in Monrovia, California, United States, it was just a stormy Halloween night replete with costumes and candy.
To Tasoff, it was the perfect setting for a science experiment.
Already a subscriber? Log in.
Subscribe to win RM50 Touch 'n Go e-Voucher! More Info
Cancel anytime. No ads. Auto-renewal. Unlimited access to the web and app. Personalised features. Members rewards.
Follow us on our official WhatsApp channel for breaking news alerts and key updates!