Học sinh 12 tuổi chế tạo máy in chữ nổi từ Lego
Shubham Banerjee, một học sinh lớp 7 tại California, Mỹ đã khiến cả thế giới ngỡ ngàng khi in sáng tạo ra một chiếc máy in chữ nổi braille dành cho người mù với giá chỉ bằng 1/5 giá của một chiếc máy in chữ nổi thông thường.
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